520058721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1904977}}^1$

素因数の和:1905000

約数の個数: 16

約数和(自身を含む): 853430144

約数和(自身を除く): 333371423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1904977, 5714931, 13334839, 24764701, 40004517, 74294103, 173352907, 520058721]

約数ペア:

[(1, 520058721), (3, 173352907), (7, 74294103), (13, 40004517), (21, 24764701), (39, 13334839), (91, 5714931), (273, 1904977)]