1243875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 2156544

約数和(自身を除く): 912669

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 107, 125, 155, 321, 375, 465, 535, 775, 1605, 2325, 2675, 3317, 3875, 8025, 9951, 11625, 13375, 16585, 40125, 49755, 82925, 248775, 414625, 1243875]

約数ペア:

[(1, 1243875), (3, 414625), (5, 248775), (15, 82925), (25, 49755), (31, 40125), (75, 16585), (93, 13375), (107, 11625), (125, 9951), (155, 8025), (321, 3875), (375, 3317), (465, 2675), (535, 2325), (775, 1605)]