85275909

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{4003}}^1$

素因数の和:4278

約数の個数: 20

約数和(自身を含む): 127903776

約数和(自身を除く): 42627867

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 4003, 7101, 12009, 21303, 36027, 108081, 324243, 1052789, 3158367, 9475101, 28425303, 85275909]

約数ペア:

[(1, 85275909), (3, 28425303), (9, 9475101), (27, 3158367), (81, 1052789), (263, 324243), (789, 108081), (2367, 36027), (4003, 21303), (7101, 12009)]