397745154

素因数分解:

$2^1\times 3^4\times {\mathrm{2455217}}^1$

素因数の和:2455231

約数の個数: 20

約数和(自身を含む): 891244134

約数和(自身を除く): 493498980

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2455217, 4910434, 7365651, 14731302, 22096953, 44193906, 66290859, 132581718, 198872577, 397745154]

約数ペア:

[(1, 397745154), (2, 198872577), (3, 132581718), (6, 66290859), (9, 44193906), (18, 22096953), (27, 14731302), (54, 7365651), (81, 4910434), (162, 2455217)]