30871725

素因数分解:

$3^1\times 5^2\times {\mathrm{557}}^1\times {\mathrm{739}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 51202080

約数和(自身を除く): 20330355

約数列:

[1, 3, 5, 15, 25, 75, 557, 739, 1671, 2217, 2785, 3695, 8355, 11085, 13925, 18475, 41775, 55425, 411623, 1234869, 2058115, 6174345, 10290575, 30871725]

約数ペア:

[(1, 30871725), (3, 10290575), (5, 6174345), (15, 2058115), (25, 1234869), (75, 411623), (557, 55425), (739, 41775), (1671, 18475), (2217, 13925), (2785, 11085), (3695, 8355)]