64651281

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2707}}^1$

素因数の和:3148

約数の個数: 16

約数和(自身を含む): 90988800

約数和(自身を除く): 26337519

約数列:

[1, 3, 19, 57, 419, 1257, 2707, 7961, 8121, 23883, 51433, 154299, 1134233, 3402699, 21550427, 64651281]

約数ペア:

[(1, 64651281), (3, 21550427), (19, 3402699), (57, 1134233), (419, 154299), (1257, 51433), (2707, 23883), (7961, 8121)]