78656427

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 123282432

約数和(自身を除く): 44626005

約数列:

[1, 3, 9, 27, 47, 71, 81, 97, 141, 213, 243, 291, 423, 639, 873, 1269, 1917, 2619, 3337, 3807, 4559, 5751, 6887, 7857, 10011, 11421, 13677, 17253, 20661, 23571, 30033, 41031, 61983, 90099, 123093, 185949, 270297, 323689, 369279, 557847, 810891, 971067, 1107837, 1673541, 2913201, 8739603, 26218809, 78656427]

約数ペア:

[(1, 78656427), (3, 26218809), (9, 8739603), (27, 2913201), (47, 1673541), (71, 1107837), (81, 971067), (97, 810891), (141, 557847), (213, 369279), (243, 323689), (291, 270297), (423, 185949), (639, 123093), (873, 90099), (1269, 61983), (1917, 41031), (2619, 30033), (3337, 23571), (3807, 20661), (4559, 17253), (5751, 13677), (6887, 11421), (7857, 10011)]