67601805

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 111530496

約数和(自身を除く): 43928691

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 643, 645, 815, 1929, 2445, 3215, 7009, 9645, 21027, 27649, 35045, 82947, 104809, 105135, 138245, 314427, 414735, 524045, 1572135, 4506787, 13520361, 22533935, 67601805]

約数ペア:

[(1, 67601805), (3, 22533935), (5, 13520361), (15, 4506787), (43, 1572135), (129, 524045), (163, 414735), (215, 314427), (489, 138245), (643, 105135), (645, 104809), (815, 82947), (1929, 35045), (2445, 27649), (3215, 21027), (7009, 9645)]