1980979695

素因数分解:

$3^2\times 5^1\times {\mathrm{44021771}}^1$

素因数の和:44021782

約数の個数: 12

約数和(自身を含む): 3433698216

約数和(自身を除く): 1452718521

約数列:

[1, 3, 5, 9, 15, 45, 44021771, 132065313, 220108855, 396195939, 660326565, 1980979695]

約数ペア:

[(1, 1980979695), (3, 660326565), (5, 396195939), (9, 220108855), (15, 132065313), (45, 44021771)]