42808419

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{1193}}^1$

素因数の和:1648

約数の個数: 20

約数和(自身を含む): 64146456

約数和(自身を除く): 21338037

約数列:

[1, 3, 9, 27, 81, 443, 1193, 1329, 3579, 3987, 10737, 11961, 32211, 35883, 96633, 528499, 1585497, 4756491, 14269473, 42808419]

約数ペア:

[(1, 42808419), (3, 14269473), (9, 4756491), (27, 1585497), (81, 528499), (443, 96633), (1193, 35883), (1329, 32211), (3579, 11961), (3987, 10737)]