89910891

素因数分解:

$3^4\times 7^1\times {\mathrm{158573}}^1$

素因数の和:158592

約数の個数: 20

約数和(自身を含む): 153499632

約数和(自身を除く): 63588741

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 158573, 475719, 1110011, 1427157, 3330033, 4281471, 9990099, 12844413, 29970297, 89910891]

約数ペア:

[(1, 89910891), (3, 29970297), (7, 12844413), (9, 9990099), (21, 4281471), (27, 3330033), (63, 1427157), (81, 1110011), (189, 475719), (567, 158573)]