81315939

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{3733}}^1$

素因数の和:3926

約数の個数: 16

約数和(自身を含む): 111303072

約数和(自身を除く): 29987133

約数列:

[1, 3, 53, 137, 159, 411, 3733, 7261, 11199, 21783, 197849, 511421, 593547, 1534263, 27105313, 81315939]

約数ペア:

[(1, 81315939), (3, 27105313), (53, 1534263), (137, 593547), (159, 511421), (411, 197849), (3733, 21783), (7261, 11199)]