397497675

素因数分解:

$3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{12589}}^1$

素因数の和:13023

約数の個数: 24

約数和(自身を含む): 658809520

約数和(自身を除く): 261311845

約数列:

[1, 3, 5, 15, 25, 75, 421, 1263, 2105, 6315, 10525, 12589, 31575, 37767, 62945, 188835, 314725, 944175, 5299969, 15899907, 26499845, 79499535, 132499225, 397497675]

約数ペア:

[(1, 397497675), (3, 132499225), (5, 79499535), (15, 26499845), (25, 15899907), (75, 5299969), (421, 944175), (1263, 314725), (2105, 188835), (6315, 62945), (10525, 37767), (12589, 31575)]