64695981

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43391}}^1$

素因数の和:43472

約数の個数: 16

約数和(自身を含む): 99975168

約数和(自身を除く): 35279187

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 43391, 130173, 303737, 911211, 3080761, 9242283, 21565327, 64695981]

約数ペア:

[(1, 64695981), (3, 21565327), (7, 9242283), (21, 3080761), (71, 911211), (213, 303737), (497, 130173), (1491, 43391)]