67784157

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9871}}^1$

素因数の和:9993

約数の個数: 24

約数和(自身を含む): 112935680

約数和(自身を除く): 45151523

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 9871, 29613, 69097, 88839, 207291, 621873, 1075939, 3227817, 7531573, 9683451, 22594719, 67784157]

約数ペア:

[(1, 67784157), (3, 22594719), (7, 9683451), (9, 7531573), (21, 3227817), (63, 1075939), (109, 621873), (327, 207291), (763, 88839), (981, 69097), (2289, 29613), (6867, 9871)]