161991774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1285649}}^1$

素因数の和:1285664

約数の個数: 24

約数和(自身を含む): 401122800

約数和(自身を除く): 239131026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1285649, 2571298, 3856947, 7713894, 8999543, 11570841, 17999086, 23141682, 26998629, 53997258, 80995887, 161991774]

約数ペア:

[(1, 161991774), (2, 80995887), (3, 53997258), (6, 26998629), (7, 23141682), (9, 17999086), (14, 11570841), (18, 8999543), (21, 7713894), (42, 3856947), (63, 2571298), (126, 1285649)]