74947977

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 127680000

約数和(自身を除く): 52732023

約数列:

[1, 3, 9, 13, 27, 29, 37, 39, 87, 111, 117, 199, 261, 333, 351, 377, 481, 597, 783, 999, 1073, 1131, 1443, 1791, 2587, 3219, 3393, 4329, 5373, 5771, 7363, 7761, 9657, 10179, 12987, 13949, 17313, 22089, 23283, 28971, 41847, 51939, 66267, 69849, 75023, 95719, 125541, 155817, 198801, 213527, 225069, 287157, 376623, 640581, 675207, 861471, 1921743, 2025621, 2584413, 2775851, 5765229, 8327553, 24982659, 74947977]

約数ペア:

[(1, 74947977), (3, 24982659), (9, 8327553), (13, 5765229), (27, 2775851), (29, 2584413), (37, 2025621), (39, 1921743), (87, 861471), (111, 675207), (117, 640581), (199, 376623), (261, 287157), (333, 225069), (351, 213527), (377, 198801), (481, 155817), (597, 125541), (783, 95719), (999, 75023), (1073, 69849), (1131, 66267), (1443, 51939), (1791, 41847), (2587, 28971), (3219, 23283), (3393, 22089), (4329, 17313), (5373, 13949), (5771, 12987), (7363, 10179), (7761, 9657)]