64143729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3169}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 100387560

約数和(自身を除く): 36243831

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1557, 2249, 3169, 6747, 9507, 20241, 28521, 41197, 123591, 370773, 548237, 1644711, 4934133, 7127081, 21381243, 64143729]

約数ペア:

[(1, 64143729), (3, 21381243), (9, 7127081), (13, 4934133), (39, 1644711), (117, 548237), (173, 370773), (519, 123591), (1557, 41197), (2249, 28521), (3169, 20241), (6747, 9507)]