7901091

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 13132800

約数和(自身を除く): 5231709

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 719, 999, 1221, 2157, 3663, 6471, 7909, 10989, 19413, 23727, 26603, 71181, 79809, 213543, 239427, 292633, 718281, 877899, 2633697, 7901091]

約数ペア:

[(1, 7901091), (3, 2633697), (9, 877899), (11, 718281), (27, 292633), (33, 239427), (37, 213543), (99, 79809), (111, 71181), (297, 26603), (333, 23727), (407, 19413), (719, 10989), (999, 7909), (1221, 6471), (2157, 3663)]