86564331

素因数分解:

$3^2\times 7^2\times {\mathrm{196291}}^1$

素因数の和:196311

約数の個数: 18

約数和(自身を含む): 145452372

約数和(自身を除く): 58888041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 196291, 588873, 1374037, 1766619, 4122111, 9618259, 12366333, 28854777, 86564331]

約数ペア:

[(1, 86564331), (3, 28854777), (7, 12366333), (9, 9618259), (21, 4122111), (49, 1766619), (63, 1374037), (147, 588873), (441, 196291)]