66720942

素因数分解:

$2^1\times 3^3\times {\mathrm{1235573}}^1$

素因数の和:1235584

約数の個数: 16

約数和(自身を含む): 148268880

約数和(自身を除く): 81547938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1235573, 2471146, 3706719, 7413438, 11120157, 22240314, 33360471, 66720942]

約数ペア:

[(1, 66720942), (2, 33360471), (3, 22240314), (6, 11120157), (9, 7413438), (18, 3706719), (27, 2471146), (54, 1235573)]