1981674531

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{188677}}^1$

素因数の和:189075

約数の個数: 16

約数和(自身を含む): 2943376800

約数和(自身を除く): 961702269

約数列:

[1, 3, 9, 27, 389, 1167, 3501, 10503, 188677, 566031, 1698093, 5094279, 73395353, 220186059, 660558177, 1981674531]

約数ペア:

[(1, 1981674531), (3, 660558177), (9, 220186059), (27, 73395353), (389, 5094279), (1167, 1698093), (3501, 566031), (10503, 188677)]