81090919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{3217}}^1$

素因数の和:3514

約数の個数: 16

約数和(自身を含む): 100195648

約数和(自身を除く): 19104729

約数列:

[1, 7, 13, 91, 277, 1939, 3217, 3601, 22519, 25207, 41821, 292747, 891109, 6237763, 11584417, 81090919]

約数ペア:

[(1, 81090919), (7, 11584417), (13, 6237763), (91, 891109), (277, 292747), (1939, 41821), (3217, 25207), (3601, 22519)]