647966133

素因数分解:

$3^2\times {\mathrm{257}}^1\times {\mathrm{457}}^1\times {\mathrm{613}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 943185048

約数和(自身を除く): 295218915

約数列:

[1, 3, 9, 257, 457, 613, 771, 1371, 1839, 2313, 4113, 5517, 117449, 157541, 280141, 352347, 472623, 840423, 1057041, 1417869, 2521269, 71996237, 215988711, 647966133]

約数ペア:

[(1, 647966133), (3, 215988711), (9, 71996237), (257, 2521269), (457, 1417869), (613, 1057041), (771, 840423), (1371, 472623), (1839, 352347), (2313, 280141), (4113, 157541), (5517, 117449)]