2155110111

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 192

約数和(自身を含む): 4444139520

約数和(自身を除く): 2289029409

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 31, 33, 49, 51, 63, 77, 93, 99, 119, 147, 153, 187, 189, 217, 231, 279, 281, 297, 341, 357, 441, 459, 527, 539, 561, 651, 693, 833, 837, 843, 1023, 1071, 1309, 1323, 1519, 1581, 1617, 1683, 1953, 1967, 2079, 2387, 2499, 2529, 3069, 3091, 3213, 3689, 3927, 4557, 4743, 4777, 4851, 5049, 5797, 5859, 5901, 7161, 7497, 7587, 8711, 9163, 9207, 9273, 11067, 11781, 13671, 13769, 14229, 14331, 14553, 16709, 17391, 17703, 21483, 21637, 22491, 25823, 26133, 27489, 27819, 33201, 33439, 35343, 40579, 41013, 41307, 42993, 50127, 52173, 52547, 53109, 60977, 64449, 64911, 77469, 78399, 82467, 83457, 95821, 99603, 100317, 121737, 123921, 128979, 148087, 150381, 151459, 156519, 157641, 182931, 194733, 232407, 234073, 235197, 247401, 284053, 287463, 300951, 365211, 367829, 371763, 426839, 444261, 451143, 454377, 472923, 548793, 584199, 670747, 697221, 702219, 852159, 862389, 902853, 1036609, 1095633, 1103487, 1280517, 1332783, 1363131, 1418769, 1628957, 1646379, 2012241, 2106657, 2556477, 2574803, 2587167, 3109827, 3310461, 3841551, 3998349, 4089393, 4695229, 4886871, 6036723, 6319971, 7256263, 7669431, 7724409, 9329481, 9931383, 11402699, 11524653, 14085687, 14660613, 18110169, 21768789, 23173227, 27988443, 34208097, 42257061, 43981839, 65306367, 69519681, 79818893, 102624291, 126771183, 195919101, 239456679, 307872873, 718370037, 2155110111]

約数ペア:

[(1, 2155110111), (3, 718370037), (7, 307872873), (9, 239456679), (11, 195919101), (17, 126771183), (21, 102624291), (27, 79818893), (31, 69519681), (33, 65306367), (49, 43981839), (51, 42257061), (63, 34208097), (77, 27988443), (93, 23173227), (99, 21768789), (119, 18110169), (147, 14660613), (153, 14085687), (187, 11524653), (189, 11402699), (217, 9931383), (231, 9329481), (279, 7724409), (281, 7669431), (297, 7256263), (341, 6319971), (357, 6036723), (441, 4886871), (459, 4695229), (527, 4089393), (539, 3998349), (561, 3841551), (651, 3310461), (693, 3109827), (833, 2587167), (837, 2574803), (843, 2556477), (1023, 2106657), (1071, 2012241), (1309, 1646379), (1323, 1628957), (1519, 1418769), (1581, 1363131), (1617, 1332783), (1683, 1280517), (1953, 1103487), (1967, 1095633), (2079, 1036609), (2387, 902853), (2499, 862389), (2529, 852159), (3069, 702219), (3091, 697221), (3213, 670747), (3689, 584199), (3927, 548793), (4557, 472923), (4743, 454377), (4777, 451143), (4851, 444261), (5049, 426839), (5797, 371763), (5859, 367829), (5901, 365211), (7161, 300951), (7497, 287463), (7587, 284053), (8711, 247401), (9163, 235197), (9207, 234073), (9273, 232407), (11067, 194733), (11781, 182931), (13671, 157641), (13769, 156519), (14229, 151459), (14331, 150381), (14553, 148087), (16709, 128979), (17391, 123921), (17703, 121737), (21483, 100317), (21637, 99603), (22491, 95821), (25823, 83457), (26133, 82467), (27489, 78399), (27819, 77469), (33201, 64911), (33439, 64449), (35343, 60977), (40579, 53109), (41013, 52547), (41307, 52173), (42993, 50127)]