156920571

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{47251}}^1$

素因数の和:47304

約数の個数: 20

約数和(自身を含む): 240134664

約数和(自身を除く): 83214093

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 47251, 141753, 425259, 1275777, 1937291, 3827331, 5811873, 17435619, 52306857, 156920571]

約数ペア:

[(1, 156920571), (3, 52306857), (9, 17435619), (27, 5811873), (41, 3827331), (81, 1937291), (123, 1275777), (369, 425259), (1107, 141753), (3321, 47251)]