161029377

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{7559}}^1$

素因数の和:7834

約数の個数: 20

約数和(自身を含む): 241496640

約数和(自身を除く): 80467263

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 7101, 7559, 21303, 22677, 68031, 204093, 612279, 1988017, 5964051, 17892153, 53676459, 161029377]

約数ペア:

[(1, 161029377), (3, 53676459), (9, 17892153), (27, 5964051), (81, 1988017), (263, 612279), (789, 204093), (2367, 68031), (7101, 22677), (7559, 21303)]