2772081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4804800

約数和(自身を除く): 2032719

約数列:

[1, 3, 9, 13, 19, 29, 39, 43, 57, 87, 117, 129, 171, 247, 261, 377, 387, 551, 559, 741, 817, 1131, 1247, 1653, 1677, 2223, 2451, 3393, 3741, 4959, 5031, 7163, 7353, 10621, 11223, 16211, 21489, 23693, 31863, 48633, 64467, 71079, 95589, 145899, 213237, 308009, 924027, 2772081]

約数ペア:

[(1, 2772081), (3, 924027), (9, 308009), (13, 213237), (19, 145899), (29, 95589), (39, 71079), (43, 64467), (57, 48633), (87, 31863), (117, 23693), (129, 21489), (171, 16211), (247, 11223), (261, 10621), (377, 7353), (387, 7163), (551, 5031), (559, 4959), (741, 3741), (817, 3393), (1131, 2451), (1247, 2223), (1653, 1677)]