15880319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 19736640

約数和(自身を除く): 3856321

約数列:

[1, 7, 13, 91, 109, 763, 1417, 1601, 9919, 11207, 20813, 145691, 174509, 1221563, 2268617, 15880319]

約数ペア:

[(1, 15880319), (7, 2268617), (13, 1221563), (91, 174509), (109, 145691), (763, 20813), (1417, 11207), (1601, 9919)]