1904856639

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{140197}}^1$

素因数の和:140854

約数の個数: 16

約数和(自身を含む): 2907145728

約数和(自身を除く): 1002289089

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 13587, 140197, 420591, 981379, 2944137, 90707459, 272122377, 634952213, 1904856639]

約数ペア:

[(1, 1904856639), (3, 634952213), (7, 272122377), (21, 90707459), (647, 2944137), (1941, 981379), (4529, 420591), (13587, 140197)]