47420217

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31177}}^1$

素因数の和:31209

約数の個数: 18

約数和(自身を含む): 74172462

約数和(自身を除く): 26752245

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 31177, 93531, 280593, 405301, 1215903, 3647709, 5268913, 15806739, 47420217]

約数ペア:

[(1, 47420217), (3, 15806739), (9, 5268913), (13, 3647709), (39, 1215903), (117, 405301), (169, 280593), (507, 93531), (1521, 31177)]