81538686

素因数分解:

$2^1\times 3^2\times {\mathrm{593}}^1\times {\mathrm{7639}}^1$

素因数の和:8240

約数の個数: 24

約数和(自身を含む): 176988240

約数和(自身を除く): 95449554

約数列:

[1, 2, 3, 6, 9, 18, 593, 1186, 1779, 3558, 5337, 7639, 10674, 15278, 22917, 45834, 68751, 137502, 4529927, 9059854, 13589781, 27179562, 40769343, 81538686]

約数ペア:

[(1, 81538686), (2, 40769343), (3, 27179562), (6, 13589781), (9, 9059854), (18, 4529927), (593, 137502), (1186, 68751), (1779, 45834), (3558, 22917), (5337, 15278), (7639, 10674)]