399909075

素因数分解:

$3^1\times 5^2\times {\mathrm{5332121}}^1$

素因数の和:5332134

約数の個数: 12

約数和(自身を含む): 661183128

約数和(自身を除く): 261274053

約数列:

[1, 3, 5, 15, 25, 75, 5332121, 15996363, 26660605, 79981815, 133303025, 399909075]

約数ペア:

[(1, 399909075), (3, 133303025), (5, 79981815), (15, 26660605), (25, 15996363), (75, 5332121)]