64515609

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{18523}}^1$

素因数の和:18578

約数の個数: 20

約数和(自身を含む): 98621776

約数和(自身を除く): 34106167

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 18523, 55569, 166707, 500121, 796489, 1500363, 2389467, 7168401, 21505203, 64515609]

約数ペア:

[(1, 64515609), (3, 21505203), (9, 7168401), (27, 2389467), (43, 1500363), (81, 796489), (129, 500121), (387, 166707), (1161, 55569), (3483, 18523)]