77647647

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2141}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 129959424

約数和(自身を除く): 52311777

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 1099, 1727, 2141, 3297, 5181, 6423, 12089, 14987, 23551, 36267, 44961, 70653, 164857, 336137, 494571, 1008411, 2352959, 3697507, 7058877, 11092521, 25882549, 77647647]

約数ペア:

[(1, 77647647), (3, 25882549), (7, 11092521), (11, 7058877), (21, 3697507), (33, 2352959), (77, 1008411), (157, 494571), (231, 336137), (471, 164857), (1099, 70653), (1727, 44961), (2141, 36267), (3297, 23551), (5181, 14987), (6423, 12089)]