7928625

素因数分解:

$3^1\times 5^3\times {\mathrm{21143}}^1$

素因数の和:21161

約数の個数: 16

約数和(自身を含む): 13193856

約数和(自身を除く): 5265231

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 21143, 63429, 105715, 317145, 528575, 1585725, 2642875, 7928625]

約数ペア:

[(1, 7928625), (3, 2642875), (5, 1585725), (15, 528575), (25, 317145), (75, 105715), (125, 63429), (375, 21143)]