31488495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 53125632

約数和(自身を除く): 21637137

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 853, 1605, 2461, 2559, 4265, 7383, 12305, 12795, 19619, 36915, 58857, 91271, 98095, 273813, 294285, 456355, 1369065, 2099233, 6297699, 10496165, 31488495]

約数ペア:

[(1, 31488495), (3, 10496165), (5, 6297699), (15, 2099233), (23, 1369065), (69, 456355), (107, 294285), (115, 273813), (321, 98095), (345, 91271), (535, 58857), (853, 36915), (1605, 19619), (2461, 12795), (2559, 12305), (4265, 7383)]