641175

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 1083264

約数和(自身を除く): 442089

約数列:

[1, 3, 5, 15, 25, 75, 83, 103, 249, 309, 415, 515, 1245, 1545, 2075, 2575, 6225, 7725, 8549, 25647, 42745, 128235, 213725, 641175]

約数ペア:

[(1, 641175), (3, 213725), (5, 128235), (15, 42745), (25, 25647), (75, 8549), (83, 7725), (103, 6225), (249, 2575), (309, 2075), (415, 1545), (515, 1245)]