78867027

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{2503}}^1$

素因数の和:2904

約数の個数: 20

約数和(自身を含む): 118163760

約数和(自身を除く): 39296733

約数列:

[1, 3, 9, 27, 81, 389, 1167, 2503, 3501, 7509, 10503, 22527, 31509, 67581, 202743, 973667, 2921001, 8763003, 26289009, 78867027]

約数ペア:

[(1, 78867027), (3, 26289009), (9, 8763003), (27, 2921001), (81, 973667), (389, 202743), (1167, 67581), (2503, 31509), (3501, 22527), (7509, 10503)]