12172725

素因数分解:

$3^2\times 5^2\times {\mathrm{54101}}^1$

素因数の和:54117

約数の個数: 18

約数和(自身を含む): 21803106

約数和(自身を除く): 9630381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 54101, 162303, 270505, 486909, 811515, 1352525, 2434545, 4057575, 12172725]

約数ペア:

[(1, 12172725), (3, 4057575), (5, 2434545), (9, 1352525), (15, 811515), (25, 486909), (45, 270505), (75, 162303), (225, 54101)]