80991666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{642791}}^1$

素因数の和:642806

約数の個数: 24

約数和(自身を含む): 200551104

約数和(自身を除く): 119559438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 642791, 1285582, 1928373, 3856746, 4499537, 5785119, 8999074, 11570238, 13498611, 26997222, 40495833, 80991666]

約数ペア:

[(1, 80991666), (2, 40495833), (3, 26997222), (6, 13498611), (7, 11570238), (9, 8999074), (14, 5785119), (18, 4499537), (21, 3856746), (42, 1928373), (63, 1285582), (126, 642791)]