280534023

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 557706240

約数和(自身を除く): 277172217

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 47, 63, 77, 81, 87, 99, 121, 141, 189, 203, 231, 243, 261, 297, 319, 329, 363, 423, 517, 567, 609, 693, 783, 847, 891, 957, 987, 1089, 1269, 1363, 1551, 1701, 1827, 2079, 2233, 2349, 2541, 2673, 2871, 2961, 3267, 3509, 3619, 3807, 4089, 4653, 5481, 5687, 6237, 6699, 7047, 7623, 8613, 8883, 9541, 9801, 10527, 10857, 11421, 12267, 13959, 14993, 16443, 17061, 18711, 20097, 22869, 24563, 25839, 26649, 28623, 29403, 31581, 32571, 36801, 39809, 41877, 44979, 49329, 51183, 60291, 68607, 73689, 77517, 79947, 85869, 94743, 97713, 104951, 110403, 119427, 125631, 134937, 153549, 164923, 180873, 205821, 221067, 257607, 284229, 293139, 314853, 331209, 358281, 404811, 460647, 494769, 542619, 663201, 772821, 852687, 879417, 944559, 1074843, 1154461, 1214433, 1381941, 1484307, 1989603, 2318463, 2833677, 3224529, 3463383, 3643299, 4452921, 5968809, 8501031, 9673587, 10390149, 13358763, 25503093, 31170447, 40076289, 93511341, 280534023]

約数ペア:

[(1, 280534023), (3, 93511341), (7, 40076289), (9, 31170447), (11, 25503093), (21, 13358763), (27, 10390149), (29, 9673587), (33, 8501031), (47, 5968809), (63, 4452921), (77, 3643299), (81, 3463383), (87, 3224529), (99, 2833677), (121, 2318463), (141, 1989603), (189, 1484307), (203, 1381941), (231, 1214433), (243, 1154461), (261, 1074843), (297, 944559), (319, 879417), (329, 852687), (363, 772821), (423, 663201), (517, 542619), (567, 494769), (609, 460647), (693, 404811), (783, 358281), (847, 331209), (891, 314853), (957, 293139), (987, 284229), (1089, 257607), (1269, 221067), (1363, 205821), (1551, 180873), (1701, 164923), (1827, 153549), (2079, 134937), (2233, 125631), (2349, 119427), (2541, 110403), (2673, 104951), (2871, 97713), (2961, 94743), (3267, 85869), (3509, 79947), (3619, 77517), (3807, 73689), (4089, 68607), (4653, 60291), (5481, 51183), (5687, 49329), (6237, 44979), (6699, 41877), (7047, 39809), (7623, 36801), (8613, 32571), (8883, 31581), (9541, 29403), (9801, 28623), (10527, 26649), (10857, 25839), (11421, 24563), (12267, 22869), (13959, 20097), (14993, 18711), (16443, 17061)]