28027425

素因数分解:

$3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1129}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 46519840

約数和(自身を除く): 18492415

約数列:

[1, 3, 5, 15, 25, 75, 331, 993, 1129, 1655, 3387, 4965, 5645, 8275, 16935, 24825, 28225, 84675, 373699, 1121097, 1868495, 5605485, 9342475, 28027425]

約数ペア:

[(1, 28027425), (3, 9342475), (5, 5605485), (15, 1868495), (25, 1121097), (75, 373699), (331, 84675), (993, 28225), (1129, 24825), (1655, 16935), (3387, 8275), (4965, 5645)]