71321817

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^2$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 120493440

約数和(自身を除く): 49171623

約数列:

[1, 3, 7, 17, 21, 29, 51, 83, 87, 119, 203, 249, 357, 493, 581, 609, 1411, 1479, 1743, 2407, 3451, 4233, 6889, 7221, 9877, 10353, 16849, 20667, 29631, 40919, 48223, 50547, 117113, 122757, 144669, 199781, 286433, 351339, 599343, 819791, 859299, 1398467, 2459373, 3396277, 4195401, 10188831, 23773939, 71321817]

約数ペア:

[(1, 71321817), (3, 23773939), (7, 10188831), (17, 4195401), (21, 3396277), (29, 2459373), (51, 1398467), (83, 859299), (87, 819791), (119, 599343), (203, 351339), (249, 286433), (357, 199781), (493, 144669), (581, 122757), (609, 117113), (1411, 50547), (1479, 48223), (1743, 40919), (2407, 29631), (3451, 20667), (4233, 16849), (6889, 10353), (7221, 9877)]