247875

素因数分解:

$3^1\times 5^3\times {\mathrm{661}}^1$

素因数の和:679

約数の個数: 16

約数和(自身を含む): 413088

約数和(自身を除く): 165213

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 661, 1983, 3305, 9915, 16525, 49575, 82625, 247875]

約数ペア:

[(1, 247875), (3, 82625), (5, 49575), (15, 16525), (25, 9915), (75, 3305), (125, 1983), (375, 661)]