81862641

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4691}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 135655104

約数和(自身を除く): 53792463

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 4691, 5817, 14073, 17451, 32837, 42219, 98511, 295533, 1299407, 3898221, 9095849, 11694663, 27287547, 81862641]

約数ペア:

[(1, 81862641), (3, 27287547), (7, 11694663), (9, 9095849), (21, 3898221), (63, 1299407), (277, 295533), (831, 98511), (1939, 42219), (2493, 32837), (4691, 17451), (5817, 14073)]