15387879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 22166144

約数和(自身を除く): 6778265

約数列:

[1, 3, 13, 39, 571, 691, 1713, 2073, 7423, 8983, 22269, 26949, 394561, 1183683, 5129293, 15387879]

約数ペア:

[(1, 15387879), (3, 5129293), (13, 1183683), (39, 394561), (571, 26949), (691, 22269), (1713, 8983), (2073, 7423)]