2551731

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{719}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 4216320

約数和(自身を除く): 1664589

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 719, 1183, 2157, 3549, 5033, 9347, 15099, 28041, 65429, 121511, 196287, 364533, 850577, 2551731]

約数ペア:

[(1, 2551731), (3, 850577), (7, 364533), (13, 196287), (21, 121511), (39, 65429), (91, 28041), (169, 15099), (273, 9347), (507, 5033), (719, 3549), (1183, 2157)]