2497455

素因数分解:

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

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4792320

約数和(自身を除く): 2294865

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 127, 171, 207, 285, 345, 381, 437, 635, 855, 1035, 1143, 1311, 1905, 2185, 2413, 2921, 3933, 5715, 6555, 7239, 8763, 12065, 14605, 19665, 21717, 26289, 36195, 43815, 55499, 108585, 131445, 166497, 277495, 499491, 832485, 2497455]

約数ペア:

[(1, 2497455), (3, 832485), (5, 499491), (9, 277495), (15, 166497), (19, 131445), (23, 108585), (45, 55499), (57, 43815), (69, 36195), (95, 26289), (115, 21717), (127, 19665), (171, 14605), (207, 12065), (285, 8763), (345, 7239), (381, 6555), (437, 5715), (635, 3933), (855, 2921), (1035, 2413), (1143, 2185), (1311, 1905)]