27581455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8221}}^1$

素因数の和:8298

約数の個数: 16

約数和(自身を含む): 36703008

約数和(自身を除く): 9121553

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 8221, 41105, 90431, 452155, 501481, 2507405, 5516291, 27581455]

約数ペア:

[(1, 27581455), (5, 5516291), (11, 2507405), (55, 501481), (61, 452155), (305, 90431), (671, 41105), (3355, 8221)]