78367887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 128416288

約数和(自身を除く): 50048401

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 333, 387, 421, 481, 559, 1263, 1443, 1591, 1677, 3789, 4329, 4773, 5031, 5473, 14319, 15577, 16419, 18103, 20683, 46731, 49257, 54309, 62049, 140193, 162927, 186147, 202501, 235339, 607503, 669811, 706017, 1822509, 2009433, 2118051, 6028299, 8707543, 26122629, 78367887]

約数ペア:

[(1, 78367887), (3, 26122629), (9, 8707543), (13, 6028299), (37, 2118051), (39, 2009433), (43, 1822509), (111, 706017), (117, 669811), (129, 607503), (333, 235339), (387, 202501), (421, 186147), (481, 162927), (559, 140193), (1263, 62049), (1443, 54309), (1591, 49257), (1677, 46731), (3789, 20683), (4329, 18103), (4773, 16419), (5031, 15577), (5473, 14319)]