28228575

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4229}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 47206800

約数和(自身を除く): 18978225

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 4229, 6675, 12687, 21145, 63435, 105725, 317175, 376381, 1129143, 1881905, 5645715, 9409525, 28228575]

約数ペア:

[(1, 28228575), (3, 9409525), (5, 5645715), (15, 1881905), (25, 1129143), (75, 376381), (89, 317175), (267, 105725), (445, 63435), (1335, 21145), (2225, 12687), (4229, 6675)]