12487275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 24760320

約数和(自身を除く): 12273045

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 127, 171, 207, 225, 285, 345, 381, 437, 475, 575, 635, 855, 1035, 1143, 1311, 1425, 1725, 1905, 2185, 2413, 2921, 3175, 3933, 4275, 5175, 5715, 6555, 7239, 8763, 9525, 10925, 12065, 14605, 19665, 21717, 26289, 28575, 32775, 36195, 43815, 55499, 60325, 73025, 98325, 108585, 131445, 166497, 180975, 219075, 277495, 499491, 542925, 657225, 832485, 1387475, 2497455, 4162425, 12487275]

約数ペア:

[(1, 12487275), (3, 4162425), (5, 2497455), (9, 1387475), (15, 832485), (19, 657225), (23, 542925), (25, 499491), (45, 277495), (57, 219075), (69, 180975), (75, 166497), (95, 131445), (115, 108585), (127, 98325), (171, 73025), (207, 60325), (225, 55499), (285, 43815), (345, 36195), (381, 32775), (437, 28575), (475, 26289), (575, 21717), (635, 19665), (855, 14605), (1035, 12065), (1143, 10925), (1311, 9525), (1425, 8763), (1725, 7239), (1905, 6555), (2185, 5715), (2413, 5175), (2921, 4275), (3175, 3933)]