26661999

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 44154880

約数和(自身を除く): 17492881

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 769, 889, 1651, 2307, 2667, 4953, 5383, 9997, 11557, 16149, 29991, 34671, 69979, 97663, 209937, 292989, 683641, 1269619, 2050923, 3808857, 8887333, 26661999]

約数ペア:

[(1, 26661999), (3, 8887333), (7, 3808857), (13, 2050923), (21, 1269619), (39, 683641), (91, 292989), (127, 209937), (273, 97663), (381, 69979), (769, 34671), (889, 29991), (1651, 16149), (2307, 11557), (2667, 9997), (4953, 5383)]