199971981

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3907}}^1$

素因数の和:3982

約数の個数: 36

約数和(自身を含む): 324332736

約数和(自身を除く): 124360755

約数列:

[1, 3, 9, 11, 33, 47, 99, 121, 141, 363, 423, 517, 1089, 1551, 3907, 4653, 5687, 11721, 17061, 35163, 42977, 51183, 128931, 183629, 386793, 472747, 550887, 1418241, 1652661, 2019919, 4254723, 6059757, 18179271, 22219109, 66657327, 199971981]

約数ペア:

[(1, 199971981), (3, 66657327), (9, 22219109), (11, 18179271), (33, 6059757), (47, 4254723), (99, 2019919), (121, 1652661), (141, 1418241), (363, 550887), (423, 472747), (517, 386793), (1089, 183629), (1551, 128931), (3907, 51183), (4653, 42977), (5687, 35163), (11721, 17061)]