30961275

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7789}}^1$

素因数の和:7855

約数の個数: 24

約数和(自身を含む): 52161840

約数和(自身を除く): 21200565

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 7789, 23367, 38945, 116835, 194725, 412817, 584175, 1238451, 2064085, 6192255, 10320425, 30961275]

約数ペア:

[(1, 30961275), (3, 10320425), (5, 6192255), (15, 2064085), (25, 1238451), (53, 584175), (75, 412817), (159, 194725), (265, 116835), (795, 38945), (1325, 23367), (3975, 7789)]