81491559

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{2971}}^1$

素因数の和:3238

約数の個数: 16

約数和(自身を含む): 111842304

約数和(自身を除く): 30350745

約数列:

[1, 3, 41, 123, 223, 669, 2971, 8913, 9143, 27429, 121811, 365433, 662533, 1987599, 27163853, 81491559]

約数ペア:

[(1, 81491559), (3, 27163853), (41, 1987599), (123, 662533), (223, 365433), (669, 121811), (2971, 27429), (8913, 9143)]