81441035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{4003}}^1$

素因数の和:4334

約数の個数: 16

約数和(自身を含む): 105609504

約数和(自身を除く): 24168469

約数列:

[1, 5, 13, 65, 313, 1565, 4003, 4069, 20015, 20345, 52039, 260195, 1252939, 6264695, 16288207, 81441035]

約数ペア:

[(1, 81441035), (5, 16288207), (13, 6264695), (65, 1252939), (313, 260195), (1565, 52039), (4003, 20345), (4069, 20015)]