2722725

素因数分解:

$3^2\times 5^2\times {\mathrm{12101}}^1$

素因数の和:12117

約数の個数: 18

約数和(自身を含む): 4877106

約数和(自身を除く): 2154381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 12101, 36303, 60505, 108909, 181515, 302525, 544545, 907575, 2722725]

約数ペア:

[(1, 2722725), (3, 907575), (5, 544545), (9, 302525), (15, 181515), (25, 108909), (45, 60505), (75, 36303), (225, 12101)]