39971187

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 59623200

約数和(自身を除く): 19652013

約数列:

[1, 3, 9, 41, 123, 149, 369, 447, 727, 1341, 2181, 6109, 6543, 18327, 29807, 54981, 89421, 108323, 268263, 324969, 974907, 4441243, 13323729, 39971187]

約数ペア:

[(1, 39971187), (3, 13323729), (9, 4441243), (41, 974907), (123, 324969), (149, 268263), (369, 108323), (447, 89421), (727, 54981), (1341, 29807), (2181, 18327), (6109, 6543)]