64707909

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43399}}^1$

素因数の和:43480

約数の個数: 16

約数和(自身を含む): 99993600

約数和(自身を除く): 35285691

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 43399, 130197, 303793, 911379, 3081329, 9243987, 21569303, 64707909]

約数ペア:

[(1, 64707909), (3, 21569303), (7, 9243987), (21, 3081329), (71, 911379), (213, 303793), (497, 130197), (1491, 43399)]