1287155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 1723680

約数和(自身を除く): 436525

約数列:

[1, 5, 17, 19, 85, 95, 323, 797, 1615, 3985, 13549, 15143, 67745, 75715, 257431, 1287155]

約数ペア:

[(1, 1287155), (5, 257431), (17, 75715), (19, 67745), (85, 15143), (95, 13549), (323, 3985), (797, 1615)]