9921457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3568

約数の個数: 16

約数和(自身を含む): 12608512

約数和(自身を除く): 2687055

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 3517, 24619, 45721, 109027, 320047, 763189, 1417351, 9921457]

約数ペア:

[(1, 9921457), (7, 1417351), (13, 763189), (31, 320047), (91, 109027), (217, 45721), (403, 24619), (2821, 3517)]