228888891

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{330287}}^1$

素因数の和:330311

約数の個数: 24

約数和(自身を含む): 412199424

約数和(自身を除く): 183310533

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 330287, 990861, 2312009, 2972583, 3633157, 6936027, 10899471, 20808081, 25432099, 32698413, 76296297, 228888891]

約数ペア:

[(1, 228888891), (3, 76296297), (7, 32698413), (9, 25432099), (11, 20808081), (21, 10899471), (33, 6936027), (63, 3633157), (77, 2972583), (99, 2312009), (231, 990861), (693, 330287)]