8120427

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 12944016

約数和(自身を除く): 4823589

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1493, 1813, 4479, 5439, 10451, 31353, 55241, 73157, 165723, 219471, 386687, 1160061, 2706809, 8120427]

約数ペア:

[(1, 8120427), (3, 2706809), (7, 1160061), (21, 386687), (37, 219471), (49, 165723), (111, 73157), (147, 55241), (259, 31353), (777, 10451), (1493, 5439), (1813, 4479)]