1405125

素因数分解:

$3^2\times 5^3\times {\mathrm{1249}}^1$

素因数の和:1270

約数の個数: 24

約数和(自身を含む): 2535000

約数和(自身を除く): 1129875

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 1249, 3747, 6245, 11241, 18735, 31225, 56205, 93675, 156125, 281025, 468375, 1405125]

約数ペア:

[(1, 1405125), (3, 468375), (5, 281025), (9, 156125), (15, 93675), (25, 56205), (45, 31225), (75, 18735), (125, 11241), (225, 6245), (375, 3747), (1125, 1249)]