40520907

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9059}}^1$

素因数の和:9143

約数の個数: 24

約数和(自身を含む): 67841280

約数和(自身を除く): 27320373

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 9059, 27177, 63413, 81531, 190239, 570717, 643189, 1929567, 4502323, 5788701, 13506969, 40520907]

約数ペア:

[(1, 40520907), (3, 13506969), (7, 5788701), (9, 4502323), (21, 1929567), (63, 643189), (71, 570717), (213, 190239), (497, 81531), (639, 63413), (1491, 27177), (4473, 9059)]