355609521

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{17491}}^1$

素因数の和:17754

約数の個数: 20

約数和(自身を含む): 533366064

約数和(自身を除く): 177756543

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 17491, 20331, 52473, 157419, 472257, 1416771, 4390241, 13170723, 39512169, 118536507, 355609521]

約数ペア:

[(1, 355609521), (3, 118536507), (9, 39512169), (27, 13170723), (81, 4390241), (251, 1416771), (753, 472257), (2259, 157419), (6777, 52473), (17491, 20331)]