647199423

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{19009}}^1$

素因数の和:19128

約数の個数: 32

約数和(自身を含む): 1043268800

約数和(自身を除く): 396069377

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 873, 1261, 2619, 3783, 11349, 19009, 34047, 57027, 171081, 247117, 513243, 741351, 1843873, 2224053, 5531619, 6672159, 16594857, 23970349, 49784571, 71911047, 215733141, 647199423]

約数ペア:

[(1, 647199423), (3, 215733141), (9, 71911047), (13, 49784571), (27, 23970349), (39, 16594857), (97, 6672159), (117, 5531619), (291, 2224053), (351, 1843873), (873, 741351), (1261, 513243), (2619, 247117), (3783, 171081), (11349, 57027), (19009, 34047)]