1728139217

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{21277}}^1$

素因数の和:21608

約数の個数: 16

約数和(自身を含む): 2030431872

約数和(自身を除く): 302292655

約数列:

[1, 7, 41, 283, 287, 1981, 11603, 21277, 81221, 148939, 872357, 6021391, 6106499, 42149737, 246877031, 1728139217]

約数ペア:

[(1, 1728139217), (7, 246877031), (41, 42149737), (283, 6106499), (287, 6021391), (1981, 872357), (11603, 148939), (21277, 81221)]