888993

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 1492608

約数和(自身を除く): 603615

約数列:

[1, 3, 7, 9, 21, 63, 103, 137, 309, 411, 721, 927, 959, 1233, 2163, 2877, 6489, 8631, 14111, 42333, 98777, 126999, 296331, 888993]

約数ペア:

[(1, 888993), (3, 296331), (7, 126999), (9, 98777), (21, 42333), (63, 14111), (103, 8631), (137, 6489), (309, 2877), (411, 2163), (721, 1233), (927, 959)]