68486481

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3541}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 113457344

約数和(自身を除く): 44970863

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 3541, 6447, 10623, 19341, 24787, 31869, 74361, 223083, 1087087, 3261261, 7609609, 9783783, 22828827, 68486481]

約数ペア:

[(1, 68486481), (3, 22828827), (7, 9783783), (9, 7609609), (21, 3261261), (63, 1087087), (307, 223083), (921, 74361), (2149, 31869), (2763, 24787), (3541, 19341), (6447, 10623)]