28451115

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 192

約数和(自身を含む): 70917120

約数和(自身を除く): 42466005

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 23, 27, 33, 35, 45, 49, 51, 55, 63, 69, 77, 85, 99, 105, 115, 119, 135, 147, 153, 161, 165, 187, 189, 207, 231, 245, 253, 255, 297, 315, 345, 357, 385, 391, 441, 459, 483, 495, 539, 561, 595, 621, 693, 735, 759, 765, 805, 833, 935, 945, 1035, 1071, 1127, 1155, 1173, 1265, 1309, 1323, 1449, 1485, 1617, 1683, 1771, 1785, 1955, 2079, 2205, 2277, 2295, 2415, 2499, 2695, 2737, 2805, 3105, 3213, 3381, 3465, 3519, 3795, 3927, 4165, 4301, 4347, 4851, 5049, 5313, 5355, 5635, 5865, 6545, 6615, 6831, 7245, 7497, 8085, 8211, 8415, 8855, 9163, 10143, 10395, 10557, 11385, 11781, 12397, 12495, 12903, 13685, 14553, 15939, 16065, 16905, 17595, 19159, 19635, 21505, 21735, 22491, 24255, 24633, 25245, 26565, 27489, 30107, 30429, 34155, 35343, 37191, 37485, 38709, 41055, 45815, 47817, 50715, 52785, 57477, 58905, 61985, 64515, 72765, 73899, 79695, 82467, 90321, 95795, 111573, 112455, 116127, 123165, 137445, 150535, 152145, 172431, 176715, 185955, 193545, 210749, 239085, 247401, 270963, 287385, 334719, 369495, 412335, 451605, 517293, 557865, 580635, 632247, 812889, 862155, 1053745, 1237005, 1354815, 1673595, 1896741, 2586465, 3161235, 4064445, 5690223, 9483705, 28451115]

約数ペア:

[(1, 28451115), (3, 9483705), (5, 5690223), (7, 4064445), (9, 3161235), (11, 2586465), (15, 1896741), (17, 1673595), (21, 1354815), (23, 1237005), (27, 1053745), (33, 862155), (35, 812889), (45, 632247), (49, 580635), (51, 557865), (55, 517293), (63, 451605), (69, 412335), (77, 369495), (85, 334719), (99, 287385), (105, 270963), (115, 247401), (119, 239085), (135, 210749), (147, 193545), (153, 185955), (161, 176715), (165, 172431), (187, 152145), (189, 150535), (207, 137445), (231, 123165), (245, 116127), (253, 112455), (255, 111573), (297, 95795), (315, 90321), (345, 82467), (357, 79695), (385, 73899), (391, 72765), (441, 64515), (459, 61985), (483, 58905), (495, 57477), (539, 52785), (561, 50715), (595, 47817), (621, 45815), (693, 41055), (735, 38709), (759, 37485), (765, 37191), (805, 35343), (833, 34155), (935, 30429), (945, 30107), (1035, 27489), (1071, 26565), (1127, 25245), (1155, 24633), (1173, 24255), (1265, 22491), (1309, 21735), (1323, 21505), (1449, 19635), (1485, 19159), (1617, 17595), (1683, 16905), (1771, 16065), (1785, 15939), (1955, 14553), (2079, 13685), (2205, 12903), (2277, 12495), (2295, 12397), (2415, 11781), (2499, 11385), (2695, 10557), (2737, 10395), (2805, 10143), (3105, 9163), (3213, 8855), (3381, 8415), (3465, 8211), (3519, 8085), (3795, 7497), (3927, 7245), (4165, 6831), (4301, 6615), (4347, 6545), (4851, 5865), (5049, 5635), (5313, 5355)]