15729679

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 18708480

約数和(自身を除く): 2978801

約数列:

[1, 7, 31, 173, 217, 419, 1211, 2933, 5363, 12989, 37541, 72487, 90923, 507409, 2247097, 15729679]

約数ペア:

[(1, 15729679), (7, 2247097), (31, 507409), (173, 90923), (217, 72487), (419, 37541), (1211, 12989), (2933, 5363)]