2991651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 4354560

約数和(自身を除く): 1362909

約数列:

[1, 3, 13, 39, 79, 237, 971, 1027, 2913, 3081, 12623, 37869, 76709, 230127, 997217, 2991651]

約数ペア:

[(1, 2991651), (3, 997217), (13, 230127), (39, 76709), (79, 37869), (237, 12623), (971, 3081), (1027, 2913)]