12778479

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 22550528

約数和(自身を除く): 9772049

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 727, 837, 1953, 2181, 2511, 5089, 5859, 6543, 15267, 17577, 19629, 22537, 45801, 58887, 67611, 137403, 157759, 202833, 412209, 473277, 608499, 1419831, 1825497, 4259493, 12778479]

約数ペア:

[(1, 12778479), (3, 4259493), (7, 1825497), (9, 1419831), (21, 608499), (27, 473277), (31, 412209), (63, 202833), (81, 157759), (93, 137403), (189, 67611), (217, 58887), (279, 45801), (567, 22537), (651, 19629), (727, 17577), (837, 15267), (1953, 6543), (2181, 5859), (2511, 5089)]