81272979

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7873}}^1$

素因数の和:7947

約数の個数: 24

約数和(自身を含む): 124472192

約数和(自身を除く): 43199213

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 3441, 7873, 10323, 23619, 70857, 244063, 291301, 732189, 873903, 2196567, 2621709, 9030331, 27090993, 81272979]

約数ペア:

[(1, 81272979), (3, 27090993), (9, 9030331), (31, 2621709), (37, 2196567), (93, 873903), (111, 732189), (279, 291301), (333, 244063), (1147, 70857), (3441, 23619), (7873, 10323)]