64925637

素因数分解:

$3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{997}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 101029536

約数和(自身を除く): 36103899

約数列:

[1, 3, 7, 21, 49, 147, 443, 997, 1329, 2991, 3101, 6979, 9303, 20937, 21707, 48853, 65121, 146559, 441671, 1325013, 3091697, 9275091, 21641879, 64925637]

約数ペア:

[(1, 64925637), (3, 21641879), (7, 9275091), (21, 3091697), (49, 1325013), (147, 441671), (443, 146559), (997, 65121), (1329, 48853), (2991, 21707), (3101, 20937), (6979, 9303)]