161770527

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{8287}}^1$

素因数の和:8540

約数の個数: 20

約数和(自身を含む): 242689216

約数和(自身を除く): 80918689

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 8287, 19521, 24861, 74583, 223749, 671247, 1997167, 5991501, 17974503, 53923509, 161770527]

約数ペア:

[(1, 161770527), (3, 53923509), (9, 17974503), (27, 5991501), (81, 1997167), (241, 671247), (723, 223749), (2169, 74583), (6507, 24861), (8287, 19521)]