64668513

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{236881}}^1$

素因数の和:236904

約数の個数: 16

約数和(自身を含む): 106123136

約数和(自身を除く): 41454623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 236881, 710643, 1658167, 3079453, 4974501, 9238359, 21556171, 64668513]

約数ペア:

[(1, 64668513), (3, 21556171), (7, 9238359), (13, 4974501), (21, 3079453), (39, 1658167), (91, 710643), (273, 236881)]