16915665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 12437295

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 223, 389, 669, 1115, 1167, 1945, 2899, 3345, 5057, 5835, 8697, 14495, 15171, 25285, 43485, 75855, 86747, 260241, 433735, 1127711, 1301205, 3383133, 5638555, 16915665]

約数ペア:

[(1, 16915665), (3, 5638555), (5, 3383133), (13, 1301205), (15, 1127711), (39, 433735), (65, 260241), (195, 86747), (223, 75855), (389, 43485), (669, 25285), (1115, 15171), (1167, 14495), (1945, 8697), (2899, 5835), (3345, 5057)]