64634661

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78919}}^1$

素因数の和:78945

約数の個数: 24

約数和(自身を含む): 114907520

約数和(自身を除く): 50272859

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 78919, 236757, 552433, 710271, 1025947, 1657299, 3077841, 4971897, 7181629, 9233523, 21544887, 64634661]

約数ペア:

[(1, 64634661), (3, 21544887), (7, 9233523), (9, 7181629), (13, 4971897), (21, 3077841), (39, 1657299), (63, 1025947), (91, 710271), (117, 552433), (273, 236757), (819, 78919)]