12381555

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26627}}^1$

素因数の和:26666

約数の個数: 16

約数和(自身を含む): 20450304

約数和(自身を除く): 8068749

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 26627, 79881, 133135, 399405, 825437, 2476311, 4127185, 12381555]

約数ペア:

[(1, 12381555), (3, 4127185), (5, 2476311), (15, 825437), (31, 399405), (93, 133135), (155, 79881), (465, 26627)]