1421735

素因数分解:

$5^1\times 7^3\times {\mathrm{829}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 1992000

約数和(自身を除く): 570265

約数列:

[1, 5, 7, 35, 49, 245, 343, 829, 1715, 4145, 5803, 29015, 40621, 203105, 284347, 1421735]

約数ペア:

[(1, 1421735), (5, 284347), (7, 203105), (35, 40621), (49, 29015), (245, 5803), (343, 4145), (829, 1715)]