78190029

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{31139}}^1$

素因数の和:31182

約数の個数: 20

約数和(自身を含む): 120574080

約数和(自身を除く): 42384051

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 31139, 93417, 280251, 840753, 965309, 2522259, 2895927, 8687781, 26063343, 78190029]

約数ペア:

[(1, 78190029), (3, 26063343), (9, 8687781), (27, 2895927), (31, 2522259), (81, 965309), (93, 840753), (279, 280251), (837, 93417), (2511, 31139)]