978889743

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{643583}}^1$

素因数の和:643615

約数の個数: 18

約数和(自身を含む): 1531086336

約数和(自身を除く): 552196593

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 643583, 1930749, 5792247, 8366579, 25099737, 75299211, 108765527, 326296581, 978889743]

約数ペア:

[(1, 978889743), (3, 326296581), (9, 108765527), (13, 75299211), (39, 25099737), (117, 8366579), (169, 5792247), (507, 1930749), (1521, 643583)]