15245321

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 19324800

約数和(自身を除く): 4079479

約数列:

[1, 7, 13, 49, 91, 169, 263, 343, 637, 1183, 1841, 3419, 4459, 8281, 12887, 23933, 44447, 57967, 90209, 167531, 311129, 1172717, 2177903, 15245321]

約数ペア:

[(1, 15245321), (7, 2177903), (13, 1172717), (49, 311129), (91, 167531), (169, 90209), (263, 57967), (343, 44447), (637, 23933), (1183, 12887), (1841, 8281), (3419, 4459)]