67552821

素因数分解:

$3^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 115648000

約数和(自身を除く): 48095179

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 277, 343, 441, 553, 711, 831, 1029, 1659, 1939, 2493, 3087, 3871, 4977, 5817, 11613, 13573, 17451, 21883, 27097, 34839, 40719, 65649, 81291, 95011, 122157, 153181, 196947, 243873, 285033, 459543, 855099, 1072267, 1378629, 3216801, 7505869, 9650403, 22517607, 67552821]

約数ペア:

[(1, 67552821), (3, 22517607), (7, 9650403), (9, 7505869), (21, 3216801), (49, 1378629), (63, 1072267), (79, 855099), (147, 459543), (237, 285033), (277, 243873), (343, 196947), (441, 153181), (553, 122157), (711, 95011), (831, 81291), (1029, 65649), (1659, 40719), (1939, 34839), (2493, 27097), (3087, 21883), (3871, 17451), (4977, 13573), (5817, 11613)]