291214021

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{21589}}^1$

素因数の和:21684

約数の個数: 16

約数和(自身を含む): 348203520

約数和(自身を除く): 56989499

約数列:

[1, 7, 41, 47, 287, 329, 1927, 13489, 21589, 151123, 885149, 1014683, 6196043, 7102781, 41602003, 291214021]

約数ペア:

[(1, 291214021), (7, 41602003), (41, 7102781), (47, 6196043), (287, 1014683), (329, 885149), (1927, 151123), (13489, 21589)]