15570919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 19317760

約数和(自身を除く): 3746841

約数列:

[1, 7, 13, 91, 139, 973, 1231, 1807, 8617, 12649, 16003, 112021, 171109, 1197763, 2224417, 15570919]

約数ペア:

[(1, 15570919), (7, 2224417), (13, 1197763), (91, 171109), (139, 112021), (973, 16003), (1231, 12649), (1807, 8617)]