81011925

素因数分解:

$3^2\times 5^2\times {\mathrm{360053}}^1$

素因数の和:360069

約数の個数: 18

約数和(自身を含む): 145101762

約数和(自身を除く): 64089837

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 360053, 1080159, 1800265, 3240477, 5400795, 9001325, 16202385, 27003975, 81011925]

約数ペア:

[(1, 81011925), (3, 27003975), (5, 16202385), (9, 9001325), (15, 5400795), (25, 3240477), (45, 1800265), (75, 1080159), (225, 360053)]