31518639

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{6379}}^1$

素因数の和:6452

約数の個数: 20

約数和(自身を含む): 47862760

約数和(自身を除く): 16344121

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 6379, 19137, 57411, 172233, 389119, 516699, 1167357, 3502071, 10506213, 31518639]

約数ペア:

[(1, 31518639), (3, 10506213), (9, 3502071), (27, 1167357), (61, 516699), (81, 389119), (183, 172233), (549, 57411), (1647, 19137), (4941, 6379)]