78412221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{19937}}^1$

素因数の和:19985

約数の個数: 24

約数和(自身を含む): 124413120

約数和(自身を除く): 46000899

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 19937, 59811, 179433, 378803, 458551, 1136409, 1375653, 3409227, 4126959, 8712469, 26137407, 78412221]

約数ペア:

[(1, 78412221), (3, 26137407), (9, 8712469), (19, 4126959), (23, 3409227), (57, 1375653), (69, 1136409), (171, 458551), (207, 378803), (437, 179433), (1311, 59811), (3933, 19937)]