81613359

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 125614080

約数和(自身を除く): 44000721

約数列:

[1, 3, 9, 27, 31, 93, 279, 281, 347, 837, 843, 1041, 2529, 3123, 7587, 8711, 9369, 10757, 26133, 32271, 78399, 96813, 97507, 235197, 290439, 292521, 877563, 2632689, 3022717, 9068151, 27204453, 81613359]

約数ペア:

[(1, 81613359), (3, 27204453), (9, 9068151), (27, 3022717), (31, 2632689), (93, 877563), (279, 292521), (281, 290439), (347, 235197), (837, 97507), (843, 96813), (1041, 78399), (2529, 32271), (3123, 26133), (7587, 10757), (8711, 9369)]