84657879

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{2287}}^1$

素因数の和:2756

約数の個数: 20

約数和(自身を含む): 126796384

約数和(自身を除く): 42138505

約数列:

[1, 3, 9, 27, 81, 457, 1371, 2287, 4113, 6861, 12339, 20583, 37017, 61749, 185247, 1045159, 3135477, 9406431, 28219293, 84657879]

約数ペア:

[(1, 84657879), (3, 28219293), (9, 9406431), (27, 3135477), (81, 1045159), (457, 185247), (1371, 61749), (2287, 37017), (4113, 20583), (6861, 12339)]