71879619

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 114244872

約数和(自身を除く): 42365253

約数列:

[1, 3, 7, 21, 49, 71, 97, 147, 213, 291, 497, 679, 1491, 2037, 3479, 4753, 5041, 6887, 10437, 14259, 15123, 20661, 35287, 48209, 105861, 144627, 247009, 337463, 488977, 741027, 1012389, 1466931, 3422839, 10268517, 23959873, 71879619]

約数ペア:

[(1, 71879619), (3, 23959873), (7, 10268517), (21, 3422839), (49, 1466931), (71, 1012389), (97, 741027), (147, 488977), (213, 337463), (291, 247009), (497, 144627), (679, 105861), (1491, 48209), (2037, 35287), (3479, 20661), (4753, 15123), (5041, 14259), (6887, 10437)]