66870117

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 104009664

約数和(自身を除く): 37139547

約数列:

[1, 3, 9, 27, 43, 73, 81, 129, 219, 263, 387, 657, 789, 1161, 1971, 2367, 3139, 3483, 5913, 7101, 9417, 11309, 19199, 21303, 28251, 33927, 57597, 84753, 101781, 172791, 254259, 305343, 518373, 825557, 916029, 1555119, 2476671, 7430013, 22290039, 66870117]

約数ペア:

[(1, 66870117), (3, 22290039), (9, 7430013), (27, 2476671), (43, 1555119), (73, 916029), (81, 825557), (129, 518373), (219, 305343), (263, 254259), (387, 172791), (657, 101781), (789, 84753), (1161, 57597), (1971, 33927), (2367, 28251), (3139, 21303), (3483, 19199), (5913, 11309), (7101, 9417)]