12487575

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21998592

約数和(自身を除く): 9511017

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 131, 155, 205, 393, 465, 615, 655, 775, 1025, 1271, 1965, 2325, 3075, 3275, 3813, 4061, 5371, 6355, 9825, 12183, 16113, 19065, 20305, 26855, 31775, 60915, 80565, 95325, 101525, 134275, 166501, 304575, 402825, 499503, 832505, 2497515, 4162525, 12487575]

約数ペア:

[(1, 12487575), (3, 4162525), (5, 2497515), (15, 832505), (25, 499503), (31, 402825), (41, 304575), (75, 166501), (93, 134275), (123, 101525), (131, 95325), (155, 80565), (205, 60915), (393, 31775), (465, 26855), (615, 20305), (655, 19065), (775, 16113), (1025, 12183), (1271, 9825), (1965, 6355), (2325, 5371), (3075, 4061), (3275, 3813)]