81056475

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{11621}}^1$

素因数の和:11668

約数の個数: 36

約数和(自身を含む): 149877312

約数和(自身を除く): 68820837

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 11621, 34863, 58105, 104589, 174315, 290525, 360251, 522945, 871575, 1080753, 1801255, 2614725, 3242259, 5403765, 9006275, 16211295, 27018825, 81056475]

約数ペア:

[(1, 81056475), (3, 27018825), (5, 16211295), (9, 9006275), (15, 5403765), (25, 3242259), (31, 2614725), (45, 1801255), (75, 1080753), (93, 871575), (155, 522945), (225, 360251), (279, 290525), (465, 174315), (775, 104589), (1395, 58105), (2325, 34863), (6975, 11621)]