28005831

素因数分解:

$3^4\times 7^1\times {\mathrm{49393}}^1$

素因数の和:49412

約数の個数: 20

約数和(自身を含む): 47813392

約数和(自身を除く): 19807561

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49393, 148179, 345751, 444537, 1037253, 1333611, 3111759, 4000833, 9335277, 28005831]

約数ペア:

[(1, 28005831), (3, 9335277), (7, 4000833), (9, 3111759), (21, 1333611), (27, 1037253), (63, 444537), (81, 345751), (189, 148179), (567, 49393)]