15686321

素因数分解:

$7^2\times {\mathrm{113}}^1\times {\mathrm{2833}}^1$

素因数の和:2960

約数の個数: 12

約数和(自身を含む): 18415332

約数和(自身を除く): 2729011

約数列:

[1, 7, 49, 113, 791, 2833, 5537, 19831, 138817, 320129, 2240903, 15686321]

約数ペア:

[(1, 15686321), (7, 2240903), (49, 320129), (113, 138817), (791, 19831), (2833, 5537)]