27780438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{661439}}^1$

素因数の和:661451

約数の個数: 16

約数和(自身を含む): 63498240

約数和(自身を除く): 35717802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 661439, 1322878, 1984317, 3968634, 4630073, 9260146, 13890219, 27780438]

約数ペア:

[(1, 27780438), (2, 13890219), (3, 9260146), (6, 4630073), (7, 3968634), (14, 1984317), (21, 1322878), (42, 661439)]