66561261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 99079680

約数和(自身を除く): 32518419

約数列:

[1, 3, 13, 37, 39, 111, 193, 239, 481, 579, 717, 1443, 2509, 3107, 7141, 7527, 8843, 9321, 21423, 26529, 46127, 92833, 114959, 138381, 278499, 344877, 599651, 1706699, 1798953, 5120097, 22187087, 66561261]

約数ペア:

[(1, 66561261), (3, 22187087), (13, 5120097), (37, 1798953), (39, 1706699), (111, 599651), (193, 344877), (239, 278499), (481, 138381), (579, 114959), (717, 92833), (1443, 46127), (2509, 26529), (3107, 21423), (7141, 9321), (7527, 8843)]