205809723

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 354631680

約数和(自身を除く): 148821957

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 127, 203, 261, 381, 609, 887, 889, 1143, 1827, 2661, 2667, 3683, 6209, 7983, 8001, 11049, 18627, 25723, 25781, 33147, 55881, 77169, 77343, 112649, 180061, 231507, 232029, 337947, 540183, 788543, 1013841, 1620549, 2365629, 3266821, 7096887, 9800463, 22867747, 29401389, 68603241, 205809723]

約数ペア:

[(1, 205809723), (3, 68603241), (7, 29401389), (9, 22867747), (21, 9800463), (29, 7096887), (63, 3266821), (87, 2365629), (127, 1620549), (203, 1013841), (261, 788543), (381, 540183), (609, 337947), (887, 232029), (889, 231507), (1143, 180061), (1827, 112649), (2661, 77343), (2667, 77169), (3683, 55881), (6209, 33147), (7983, 25781), (8001, 25723), (11049, 18627)]