28971705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{275921}}^1$

素因数の和:275936

約数の個数: 16

約数和(自身を含む): 52977024

約数和(自身を除く): 24005319

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 275921, 827763, 1379605, 1931447, 4138815, 5794341, 9657235, 28971705]

約数ペア:

[(1, 28971705), (3, 9657235), (5, 5794341), (7, 4138815), (15, 1931447), (21, 1379605), (35, 827763), (105, 275921)]