207941751

素因数分解:

$3^2\times {\mathrm{137}}^2\times {\mathrm{1231}}^1$

素因数の和:1511

約数の個数: 18

約数和(自身を含む): 302814512

約数和(自身を除く): 94872761

約数列:

[1, 3, 9, 137, 411, 1231, 1233, 3693, 11079, 18769, 56307, 168647, 168921, 505941, 1517823, 23104639, 69313917, 207941751]

約数ペア:

[(1, 207941751), (3, 69313917), (9, 23104639), (137, 1517823), (411, 505941), (1231, 168921), (1233, 168647), (3693, 56307), (11079, 18769)]