72069345

素因数分解:

$3^4\times 5^1\times {\mathrm{177949}}^1$

素因数の和:177966

約数の個数: 20

約数和(自身を含む): 129191700

約数和(自身を除く): 57122355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 177949, 533847, 889745, 1601541, 2669235, 4804623, 8007705, 14413869, 24023115, 72069345]

約数ペア:

[(1, 72069345), (3, 24023115), (5, 14413869), (9, 8007705), (15, 4804623), (27, 2669235), (45, 1601541), (81, 889745), (135, 533847), (405, 177949)]