210857025

素因数分解:

$3^1\times 5^2\times {\mathrm{2811427}}^1$

素因数の和:2811440

約数の個数: 12

約数和(自身を含む): 348617072

約数和(自身を除く): 137760047

約数列:

[1, 3, 5, 15, 25, 75, 2811427, 8434281, 14057135, 42171405, 70285675, 210857025]

約数ペア:

[(1, 210857025), (3, 70285675), (5, 42171405), (15, 14057135), (25, 8434281), (75, 2811427)]