64468791

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{1621}}^1$

素因数の和:2124

約数の個数: 20

約数和(自身を含む): 96560904

約数和(自身を除く): 32092113

約数列:

[1, 3, 9, 27, 81, 491, 1473, 1621, 4419, 4863, 13257, 14589, 39771, 43767, 131301, 795911, 2387733, 7163199, 21489597, 64468791]

約数ペア:

[(1, 64468791), (3, 21489597), (9, 7163199), (27, 2387733), (81, 795911), (491, 131301), (1473, 43767), (1621, 39771), (4419, 14589), (4863, 13257)]