313655223

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{21997}}^1$

素因数の和:22111

約数の個数: 24

約数和(自身を含む): 491523312

約数和(自身を除く): 177868089

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 21997, 65991, 153979, 461937, 1077853, 2133709, 3233559, 6401127, 14935963, 44807889, 104551741, 313655223]

約数ペア:

[(1, 313655223), (3, 104551741), (7, 44807889), (21, 14935963), (49, 6401127), (97, 3233559), (147, 2133709), (291, 1077853), (679, 461937), (2037, 153979), (4753, 65991), (14259, 21997)]