8538939

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 20

約数和(自身を含む): 12835680

約数和(自身を除く): 4296741

約数列:

[1, 3, 9, 27, 81, 271, 389, 813, 1167, 2439, 3501, 7317, 10503, 21951, 31509, 105419, 316257, 948771, 2846313, 8538939]

約数ペア:

[(1, 8538939), (3, 2846313), (9, 948771), (27, 316257), (81, 105419), (271, 31509), (389, 21951), (813, 10503), (1167, 7317), (2439, 3501)]