28581315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{272203}}^1$

素因数の和:272218

約数の個数: 16

約数和(自身を含む): 52263168

約数和(自身を除く): 23681853

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 272203, 816609, 1361015, 1905421, 4083045, 5716263, 9527105, 28581315]

約数ペア:

[(1, 28581315), (3, 9527105), (5, 5716263), (7, 4083045), (15, 1905421), (21, 1361015), (35, 816609), (105, 272203)]