12668221881

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{1021}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 22001943040

約数和(自身を除く): 9333721159

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 277, 553, 567, 711, 831, 1021, 1659, 1939, 2133, 2493, 3063, 4977, 5817, 6399, 7147, 7479, 9189, 14931, 17451, 21441, 21883, 22437, 27567, 44793, 52353, 64323, 65649, 80659, 82701, 153181, 157059, 192969, 196947, 241977, 282817, 459543, 564613, 578907, 590841, 725931, 848451, 1378629, 1693839, 1772523, 1979719, 2177793, 2545353, 4135887, 5081517, 5939157, 6533379, 7636059, 12407661, 15244551, 17817471, 22342543, 22908177, 45733653, 53452413, 67027629, 156397801, 160357239, 201082887, 469193403, 603248661, 1407580209, 1809745983, 4222740627, 12668221881]

約数ペア:

[(1, 12668221881), (3, 4222740627), (7, 1809745983), (9, 1407580209), (21, 603248661), (27, 469193403), (63, 201082887), (79, 160357239), (81, 156397801), (189, 67027629), (237, 53452413), (277, 45733653), (553, 22908177), (567, 22342543), (711, 17817471), (831, 15244551), (1021, 12407661), (1659, 7636059), (1939, 6533379), (2133, 5939157), (2493, 5081517), (3063, 4135887), (4977, 2545353), (5817, 2177793), (6399, 1979719), (7147, 1772523), (7479, 1693839), (9189, 1378629), (14931, 848451), (17451, 725931), (21441, 590841), (21883, 578907), (22437, 564613), (27567, 459543), (44793, 282817), (52353, 241977), (64323, 196947), (65649, 192969), (80659, 157059), (82701, 153181)]