87235953

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 138657792

約数和(自身を除く): 51421839

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 309, 651, 721, 1301, 2163, 3193, 3903, 9107, 9579, 22351, 27321, 40331, 67053, 120993, 134003, 282317, 402009, 846951, 938021, 2814063, 4154093, 12462279, 29078651, 87235953]

約数ペア:

[(1, 87235953), (3, 29078651), (7, 12462279), (21, 4154093), (31, 2814063), (93, 938021), (103, 846951), (217, 402009), (309, 282317), (651, 134003), (721, 120993), (1301, 67053), (2163, 40331), (3193, 27321), (3903, 22351), (9107, 9579)]