78640107

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15203

約数の個数: 32

約数和(自身を含む): 135851520

約数和(自身を除く): 57211413

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 15161, 45483, 106127, 197093, 288059, 318381, 591279, 864177, 1379651, 2016413, 3744767, 4138953, 6049239, 11234301, 26213369, 78640107]

約数ペア:

[(1, 78640107), (3, 26213369), (7, 11234301), (13, 6049239), (19, 4138953), (21, 3744767), (39, 2016413), (57, 1379651), (91, 864177), (133, 591279), (247, 318381), (273, 288059), (399, 197093), (741, 106127), (1729, 45483), (5187, 15161)]