1684395

素因数分解:

$3^4\times 5^1\times {\mathrm{4159}}^1$

素因数の和:4176

約数の個数: 20

約数和(自身を含む): 3020160

約数和(自身を除く): 1335765

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4159, 12477, 20795, 37431, 62385, 112293, 187155, 336879, 561465, 1684395]

約数ペア:

[(1, 1684395), (3, 561465), (5, 336879), (9, 187155), (15, 112293), (27, 62385), (45, 37431), (81, 20795), (135, 12477), (405, 4159)]