81246291

素因数分解:

$3^1\times 7^1\times {\mathrm{1753}}^1\times {\mathrm{2207}}^1$

素因数の和:3970

約数の個数: 16

約数和(自身を含む): 123930624

約数和(自身を除く): 42684333

約数列:

[1, 3, 7, 21, 1753, 2207, 5259, 6621, 12271, 15449, 36813, 46347, 3868871, 11606613, 27082097, 81246291]

約数ペア:

[(1, 81246291), (3, 27082097), (7, 11606613), (21, 3868871), (1753, 46347), (2207, 36813), (5259, 15449), (6621, 12271)]