123749127

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 191791776

約数和(自身を除く): 68042649

約数列:

[1, 3, 9, 27, 37, 81, 111, 157, 263, 333, 471, 789, 999, 1413, 2367, 2997, 4239, 5809, 7101, 9731, 12717, 17427, 21303, 29193, 41291, 52281, 87579, 123873, 156843, 262737, 371619, 470529, 788211, 1114857, 1527767, 3344571, 4583301, 13749903, 41249709, 123749127]

約数ペア:

[(1, 123749127), (3, 41249709), (9, 13749903), (27, 4583301), (37, 3344571), (81, 1527767), (111, 1114857), (157, 788211), (263, 470529), (333, 371619), (471, 262737), (789, 156843), (999, 123873), (1413, 87579), (2367, 52281), (2997, 41291), (4239, 29193), (5809, 21303), (7101, 17427), (9731, 12717)]