388214463

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109387}}^1$

素因数の和:109423

約数の個数: 24

約数和(自身を含む): 640576128

約数和(自身を除く): 252361665

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 109387, 328161, 765709, 1422031, 2297127, 4266093, 9954217, 18486403, 29862651, 55459209, 129404821, 388214463]

約数ペア:

[(1, 388214463), (3, 129404821), (7, 55459209), (13, 29862651), (21, 18486403), (39, 9954217), (91, 4266093), (169, 2297127), (273, 1422031), (507, 765709), (1183, 328161), (3549, 109387)]