28810125

素因数分解:

$3^2\times 5^3\times {\mathrm{25609}}^1$

素因数の和:25630

約数の個数: 24

約数和(自身を含む): 51937080

約数和(自身を除く): 23126955

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 25609, 76827, 128045, 230481, 384135, 640225, 1152405, 1920675, 3201125, 5762025, 9603375, 28810125]

約数ペア:

[(1, 28810125), (3, 9603375), (5, 5762025), (9, 3201125), (15, 1920675), (25, 1152405), (45, 640225), (75, 384135), (125, 230481), (225, 128045), (375, 76827), (1125, 25609)]