208072137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2011}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 342522880

約数和(自身を除く): 134450743

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 379, 1137, 2011, 2653, 4927, 6033, 7959, 14077, 14781, 26143, 34489, 42231, 78429, 103467, 183001, 549003, 762169, 2286507, 5335183, 9908197, 16005549, 29724591, 69357379, 208072137]

約数ペア:

[(1, 208072137), (3, 69357379), (7, 29724591), (13, 16005549), (21, 9908197), (39, 5335183), (91, 2286507), (273, 762169), (379, 549003), (1137, 183001), (2011, 103467), (2653, 78429), (4927, 42231), (6033, 34489), (7959, 26143), (14077, 14781)]