9287901

素因数分解:

$3^2\times 7^2\times {\mathrm{21061}}^1$

素因数の和:21081

約数の個数: 18

約数和(自身を含む): 15606942

約数和(自身を除く): 6319041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 21061, 63183, 147427, 189549, 442281, 1031989, 1326843, 3095967, 9287901]

約数ペア:

[(1, 9287901), (3, 3095967), (7, 1326843), (9, 1031989), (21, 442281), (49, 189549), (63, 147427), (147, 63183), (441, 21061)]