78791391

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9547}}^1$

素因数の和:9691

約数の個数: 24

約数和(自身を含む): 131074944

約数和(自身を除く): 52283553

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 9547, 28641, 66829, 85923, 200487, 601461, 1250657, 3751971, 8754599, 11255913, 26263797, 78791391]

約数ペア:

[(1, 78791391), (3, 26263797), (7, 11255913), (9, 8754599), (21, 3751971), (63, 1250657), (131, 601461), (393, 200487), (917, 85923), (1179, 66829), (2751, 28641), (8253, 9547)]