18280125

素因数分解:

$3^2\times 5^3\times {\mathrm{16249}}^1$

素因数の和:16270

約数の個数: 24

約数和(自身を含む): 32955000

約数和(自身を除く): 14674875

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 16249, 48747, 81245, 146241, 243735, 406225, 731205, 1218675, 2031125, 3656025, 6093375, 18280125]

約数ペア:

[(1, 18280125), (3, 6093375), (5, 3656025), (9, 2031125), (15, 1218675), (25, 731205), (45, 406225), (75, 243735), (125, 146241), (225, 81245), (375, 48747), (1125, 16249)]