28581693

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8669}}^1$

素因数の和:8836

約数の個数: 16

約数和(自身を含む): 43835520

約数和(自身を除く): 15253827

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 8669, 26007, 60683, 182049, 1361033, 4083099, 9527231, 28581693]

約数ペア:

[(1, 28581693), (3, 9527231), (7, 4083099), (21, 1361033), (157, 182049), (471, 60683), (1099, 26007), (3297, 8669)]