428820225

素因数分解:

$3^1\times 5^2\times {\mathrm{5717603}}^1$

素因数の和:5717616

約数の個数: 12

約数和(自身を含む): 708982896

約数和(自身を除く): 280162671

約数列:

[1, 3, 5, 15, 25, 75, 5717603, 17152809, 28588015, 85764045, 142940075, 428820225]

約数ペア:

[(1, 428820225), (3, 142940075), (5, 85764045), (15, 28588015), (25, 17152809), (75, 5717603)]