86870691

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 131712000

約数和(自身を除く): 44841309

約数列:

[1, 3, 9, 27, 79, 139, 237, 293, 417, 711, 879, 1251, 2133, 2637, 3753, 7911, 10981, 23147, 32943, 40727, 69441, 98829, 122181, 208323, 296487, 366543, 624969, 1099629, 3217433, 9652299, 28956897, 86870691]

約数ペア:

[(1, 86870691), (3, 28956897), (9, 9652299), (27, 3217433), (79, 1099629), (139, 624969), (237, 366543), (293, 296487), (417, 208323), (711, 122181), (879, 98829), (1251, 69441), (2133, 40727), (2637, 32943), (3753, 23147), (7911, 10981)]