978174729

素因数分解:

$3^2\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{11243}}^1$

素因数の和:12637

約数の個数: 24

約数和(自身を含む): 1616077632

約数和(自身を除く): 637902903

約数列:

[1, 3, 7, 9, 21, 63, 1381, 4143, 9667, 11243, 12429, 29001, 33729, 78701, 87003, 101187, 236103, 708309, 15526583, 46579749, 108686081, 139739247, 326058243, 978174729]

約数ペア:

[(1, 978174729), (3, 326058243), (7, 139739247), (9, 108686081), (21, 46579749), (63, 15526583), (1381, 708309), (4143, 236103), (9667, 101187), (11243, 87003), (12429, 78701), (29001, 33729)]