64193727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 94832640

約数和(自身を除く): 30638913

約数列:

[1, 3, 13, 39, 71, 97, 213, 239, 291, 717, 923, 1261, 2769, 3107, 3783, 6887, 9321, 16969, 20661, 23183, 50907, 69549, 89531, 220597, 268593, 301379, 661791, 904137, 1645993, 4937979, 21397909, 64193727]

約数ペア:

[(1, 64193727), (3, 21397909), (13, 4937979), (39, 1645993), (71, 904137), (97, 661791), (213, 301379), (239, 268593), (291, 220597), (717, 89531), (923, 69549), (1261, 50907), (2769, 23183), (3107, 20661), (3783, 16969), (6887, 9321)]