64810767

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 104857600

約数和(自身を除く): 40046833

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 1279, 2413, 2667, 3837, 7239, 8953, 16891, 24301, 26859, 50673, 72903, 162433, 170107, 487299, 510321, 1137031, 3086227, 3411093, 9258681, 21603589, 64810767]

約数ペア:

[(1, 64810767), (3, 21603589), (7, 9258681), (19, 3411093), (21, 3086227), (57, 1137031), (127, 510321), (133, 487299), (381, 170107), (399, 162433), (889, 72903), (1279, 50673), (2413, 26859), (2667, 24301), (3837, 16891), (7239, 8953)]