78813657

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{51817}}^1$

素因数の和:51849

約数の個数: 18

約数和(自身を含む): 123275022

約数和(自身を除く): 44461365

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 51817, 155451, 466353, 673621, 2020863, 6062589, 8757073, 26271219, 78813657]

約数ペア:

[(1, 78813657), (3, 26271219), (9, 8757073), (13, 6062589), (39, 2020863), (117, 673621), (169, 466353), (507, 155451), (1521, 51817)]