78677973

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 129111840

約数和(自身を除く): 50433867

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 227, 297, 389, 681, 891, 1167, 2043, 2497, 3501, 4279, 6129, 7491, 10503, 12837, 18387, 22473, 31509, 38511, 67419, 88303, 115533, 202257, 264909, 346599, 794727, 971333, 2384181, 2913999, 7152543, 8741997, 26225991, 78677973]

約数ペア:

[(1, 78677973), (3, 26225991), (9, 8741997), (11, 7152543), (27, 2913999), (33, 2384181), (81, 971333), (99, 794727), (227, 346599), (297, 264909), (389, 202257), (681, 115533), (891, 88303), (1167, 67419), (2043, 38511), (2497, 31509), (3501, 22473), (4279, 18387), (6129, 12837), (7491, 10503)]