236962971

素因数分解:

$3^2\times 7^2\times {\mathrm{537331}}^1$

素因数の和:537351

約数の個数: 18

約数和(自身を含む): 398163012

約数和(自身を除く): 161200041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 537331, 1611993, 3761317, 4835979, 11283951, 26329219, 33851853, 78987657, 236962971]

約数ペア:

[(1, 236962971), (3, 78987657), (7, 33851853), (9, 26329219), (21, 11283951), (49, 4835979), (63, 3761317), (147, 1611993), (441, 537331)]