64945233

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{1213}}^1$

素因数の和:1886

約数の個数: 20

約数和(自身を含む): 97243828

約数和(自身を除く): 32298595

約数列:

[1, 3, 9, 27, 81, 661, 1213, 1983, 3639, 5949, 10917, 17847, 32751, 53541, 98253, 801793, 2405379, 7216137, 21648411, 64945233]

約数ペア:

[(1, 64945233), (3, 21648411), (9, 7216137), (27, 2405379), (81, 801793), (661, 98253), (1213, 53541), (1983, 32751), (3639, 17847), (5949, 10917)]