78930009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6323}}^1$

素因数の和:6421

約数の個数: 24

約数和(自身を含む): 121673760

約数和(自身を除く): 42743751

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 6323, 12483, 18969, 56907, 120137, 360411, 461579, 1081233, 1384737, 4154211, 8770001, 26310003, 78930009]

約数ペア:

[(1, 78930009), (3, 26310003), (9, 8770001), (19, 4154211), (57, 1384737), (73, 1081233), (171, 461579), (219, 360411), (657, 120137), (1387, 56907), (4161, 18969), (6323, 12483)]