408068037

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{387529}}^1$

素因数の和:387554

約数の個数: 20

約数和(自身を含む): 656475820

約数和(自身を除く): 248407783

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 387529, 1162587, 3487761, 5037877, 10463283, 15113631, 31389849, 45340893, 136022679, 408068037]

約数ペア:

[(1, 408068037), (3, 136022679), (9, 45340893), (13, 31389849), (27, 15113631), (39, 10463283), (81, 5037877), (117, 3487761), (351, 1162587), (1053, 387529)]