2157844941

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{27779}}^1$

素因数の和:27935

約数の個数: 40

約数和(自身を含む): 3710963520

約数和(自身を除く): 1553118579

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2877, 3699, 8631, 11097, 25893, 27779, 77679, 83337, 194453, 250011, 583359, 750033, 1750077, 2250099, 3805723, 5250231, 11417169, 15750693, 26640061, 34251507, 79920183, 102754521, 239760549, 308263563, 719281647, 2157844941]

約数ペア:

[(1, 2157844941), (3, 719281647), (7, 308263563), (9, 239760549), (21, 102754521), (27, 79920183), (63, 34251507), (81, 26640061), (137, 15750693), (189, 11417169), (411, 5250231), (567, 3805723), (959, 2250099), (1233, 1750077), (2877, 750033), (3699, 583359), (8631, 250011), (11097, 194453), (25893, 83337), (27779, 77679)]