80951715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 153316800

約数和(自身を除く): 72365085

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 1949, 2769, 3195, 4615, 5847, 8307, 9745, 13845, 17541, 25337, 29235, 41535, 76011, 87705, 126685, 138379, 228033, 380055, 415137, 691895, 1140165, 1245411, 1798927, 2075685, 5396781, 6227055, 8994635, 16190343, 26983905, 80951715]

約数ペア:

[(1, 80951715), (3, 26983905), (5, 16190343), (9, 8994635), (13, 6227055), (15, 5396781), (39, 2075685), (45, 1798927), (65, 1245411), (71, 1140165), (117, 691895), (195, 415137), (213, 380055), (355, 228033), (585, 138379), (639, 126685), (923, 87705), (1065, 76011), (1949, 41535), (2769, 29235), (3195, 25337), (4615, 17541), (5847, 13845), (8307, 9745)]