4020915

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1481}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 6473376

約数和(自身を除く): 2452461

約数列:

[1, 3, 5, 15, 181, 543, 905, 1481, 2715, 4443, 7405, 22215, 268061, 804183, 1340305, 4020915]

約数ペア:

[(1, 4020915), (3, 1340305), (5, 804183), (15, 268061), (181, 22215), (543, 7405), (905, 4443), (1481, 2715)]