131555625

素因数分解:

$3^1\times 5^4\times {\mathrm{70163}}^1$

素因数の和:70186

約数の個数: 20

約数和(自身を含む): 219192336

約数和(自身を除く): 87636711

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 70163, 210489, 350815, 1052445, 1754075, 5262225, 8770375, 26311125, 43851875, 131555625]

約数ペア:

[(1, 131555625), (3, 43851875), (5, 26311125), (15, 8770375), (25, 5262225), (75, 1754075), (125, 1052445), (375, 350815), (625, 210489), (1875, 70163)]