68185257

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20681}}^1$

素因数の和:20848

約数の個数: 16

約数和(自身を含む): 104568192

約数和(自身を除く): 36382935

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 20681, 62043, 144767, 434301, 3246917, 9740751, 22728419, 68185257]

約数ペア:

[(1, 68185257), (3, 22728419), (7, 9740751), (21, 3246917), (157, 434301), (471, 144767), (1099, 62043), (3297, 20681)]