64740249

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4127}}^1$

素因数の和:4226

約数の個数: 32

約数和(自身を含む): 110960640

約数和(自身を除く): 46220391

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 4127, 5229, 12381, 15687, 28889, 37143, 86667, 111429, 260001, 342541, 780003, 1027623, 2397787, 3082869, 7193361, 9248607, 21580083, 64740249]

約数ペア:

[(1, 64740249), (3, 21580083), (7, 9248607), (9, 7193361), (21, 3082869), (27, 2397787), (63, 1027623), (83, 780003), (189, 342541), (249, 260001), (581, 111429), (747, 86667), (1743, 37143), (2241, 28889), (4127, 15687), (5229, 12381)]