64739997

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33149}}^1$

素因数の和:33193

約数の個数: 24

約数和(自身を含む): 110323200

約数和(自身を除く): 45583203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 33149, 99447, 232043, 298341, 696129, 1027619, 2088387, 3082857, 7193333, 9248571, 21579999, 64739997]

約数ペア:

[(1, 64739997), (3, 21579999), (7, 9248571), (9, 7193333), (21, 3082857), (31, 2088387), (63, 1027619), (93, 696129), (217, 298341), (279, 232043), (651, 99447), (1953, 33149)]