28190325

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{919}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 46772800

約数和(自身を除く): 18582475

約数列:

[1, 3, 5, 15, 25, 75, 409, 919, 1227, 2045, 2757, 4595, 6135, 10225, 13785, 22975, 30675, 68925, 375871, 1127613, 1879355, 5638065, 9396775, 28190325]

約数ペア:

[(1, 28190325), (3, 9396775), (5, 5638065), (15, 1879355), (25, 1127613), (75, 375871), (409, 68925), (919, 30675), (1227, 22975), (2045, 13785), (2757, 10225), (4595, 6135)]