78820119

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6287}}^1$

素因数の和:6499

約数の個数: 24

約数和(自身を含む): 130790400

約数和(自身を除く): 51970281

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 6287, 12537, 18861, 44009, 56583, 132027, 396081, 1251113, 3753339, 8757791, 11260017, 26273373, 78820119]

約数ペア:

[(1, 78820119), (3, 26273373), (7, 11260017), (9, 8757791), (21, 3753339), (63, 1251113), (199, 396081), (597, 132027), (1393, 56583), (1791, 44009), (4179, 18861), (6287, 12537)]