68618325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21277}}^1$

素因数の和:21333

約数の個数: 24

約数和(自身を含む): 116092768

約数和(自身を除く): 47474443

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21277, 63831, 106385, 319155, 531925, 914911, 1595775, 2744733, 4574555, 13723665, 22872775, 68618325]

約数ペア:

[(1, 68618325), (3, 22872775), (5, 13723665), (15, 4574555), (25, 2744733), (43, 1595775), (75, 914911), (129, 531925), (215, 319155), (645, 106385), (1075, 63831), (3225, 21277)]