3955021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 4815360

約数和(自身を除く): 860339

約数列:

[1, 7, 19, 131, 133, 227, 917, 1589, 2489, 4313, 17423, 29737, 30191, 208159, 565003, 3955021]

約数ペア:

[(1, 3955021), (7, 565003), (19, 208159), (131, 30191), (133, 29737), (227, 17423), (917, 4313), (1589, 2489)]