613125

素因数分解:

$3^2\times 5^4\times {\mathrm{109}}^1$

素因数の和:135

約数の個数: 30

約数和(自身を含む): 1116830

約数和(自身を除く): 503705

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 225, 327, 375, 545, 625, 981, 1125, 1635, 1875, 2725, 4905, 5625, 8175, 13625, 24525, 40875, 68125, 122625, 204375, 613125]

約数ペア:

[(1, 613125), (3, 204375), (5, 122625), (9, 68125), (15, 40875), (25, 24525), (45, 13625), (75, 8175), (109, 5625), (125, 4905), (225, 2725), (327, 1875), (375, 1635), (545, 1125), (625, 981)]