156949821

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{6679}}^1$

素因数の和:7065

約数の個数: 24

約数和(自身を含む): 259825280

約数和(自身を除く): 102875459

約数列:

[1, 3, 7, 9, 21, 63, 373, 1119, 2611, 3357, 6679, 7833, 20037, 23499, 46753, 60111, 140259, 420777, 2491267, 7473801, 17438869, 22421403, 52316607, 156949821]

約数ペア:

[(1, 156949821), (3, 52316607), (7, 22421403), (9, 17438869), (21, 7473801), (63, 2491267), (373, 420777), (1119, 140259), (2611, 60111), (3357, 46753), (6679, 23499), (7833, 20037)]