80891643

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3089}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 130521600

約数和(自身を除く): 49629957

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3089, 3741, 8729, 9267, 21623, 26187, 64869, 89581, 132827, 268743, 398481, 627067, 929789, 1881201, 2789367, 3851983, 11555949, 26963881, 80891643]

約数ペア:

[(1, 80891643), (3, 26963881), (7, 11555949), (21, 3851983), (29, 2789367), (43, 1881201), (87, 929789), (129, 627067), (203, 398481), (301, 268743), (609, 132827), (903, 89581), (1247, 64869), (3089, 26187), (3741, 21623), (8729, 9267)]