399444993

素因数分解:

$3^3\times {\mathrm{2963}}^1\times {\mathrm{4993}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 592088640

約数和(自身を除く): 192643647

約数列:

[1, 3, 9, 27, 2963, 4993, 8889, 14979, 26667, 44937, 80001, 134811, 14794259, 44382777, 133148331, 399444993]

約数ペア:

[(1, 399444993), (3, 133148331), (9, 44382777), (27, 14794259), (2963, 134811), (4993, 80001), (8889, 44937), (14979, 26667)]