31528425

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3209}}^1$

素因数の和:3353

約数の個数: 24

約数和(自身を含む): 52541280

約数和(自身を除く): 21012855

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3209, 3275, 9627, 9825, 16045, 48135, 80225, 240675, 420379, 1261137, 2101895, 6305685, 10509475, 31528425]

約数ペア:

[(1, 31528425), (3, 10509475), (5, 6305685), (15, 2101895), (25, 1261137), (75, 420379), (131, 240675), (393, 80225), (655, 48135), (1965, 16045), (3209, 9825), (3275, 9627)]