81372015

素因数分解:

$3^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2671}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 141306048

約数和(自身を除く): 59934033

約数列:

[1, 3, 5, 9, 15, 45, 677, 2031, 2671, 3385, 6093, 8013, 10155, 13355, 24039, 30465, 40065, 120195, 1808267, 5424801, 9041335, 16274403, 27124005, 81372015]

約数ペア:

[(1, 81372015), (3, 27124005), (5, 16274403), (9, 9041335), (15, 5424801), (45, 1808267), (677, 120195), (2031, 40065), (2671, 30465), (3385, 24039), (6093, 13355), (8013, 10155)]