305751489

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 435456000

約数和(自身を除く): 129704511

約数列:

[1, 3, 23, 69, 71, 139, 213, 417, 449, 1347, 1633, 3197, 4899, 9591, 9869, 10327, 29607, 30981, 31879, 62411, 95637, 187233, 226987, 680961, 733217, 1435453, 2199651, 4306359, 4431181, 13293543, 101917163, 305751489]

約数ペア:

[(1, 305751489), (3, 101917163), (23, 13293543), (69, 4431181), (71, 4306359), (139, 2199651), (213, 1435453), (417, 733217), (449, 680961), (1347, 226987), (1633, 187233), (3197, 95637), (4899, 62411), (9591, 31879), (9869, 30981), (10327, 29607)]