520022223

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{41479}}^1$

素因数の和:41691

約数の個数: 24

約数和(自身を含む): 862784000

約数和(自身を除く): 342761777

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 41479, 124437, 290353, 373311, 871059, 2613177, 8254321, 24762963, 57780247, 74288889, 173340741, 520022223]

約数ペア:

[(1, 520022223), (3, 173340741), (7, 74288889), (9, 57780247), (21, 24762963), (63, 8254321), (199, 2613177), (597, 871059), (1393, 373311), (1791, 290353), (4179, 124437), (12537, 41479)]