209220903

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 330071040

約数和(自身を除く): 120850137

約数列:

[1, 3, 9, 23, 37, 59, 69, 111, 177, 207, 333, 463, 531, 851, 1357, 1389, 2183, 2553, 4071, 4167, 6549, 7659, 10649, 12213, 17131, 19647, 27317, 31947, 50209, 51393, 81951, 95841, 150627, 154179, 245853, 394013, 451881, 628291, 1010729, 1182039, 1884873, 3032187, 3546117, 5654619, 9096561, 23246767, 69740301, 209220903]

約数ペア:

[(1, 209220903), (3, 69740301), (9, 23246767), (23, 9096561), (37, 5654619), (59, 3546117), (69, 3032187), (111, 1884873), (177, 1182039), (207, 1010729), (333, 628291), (463, 451881), (531, 394013), (851, 245853), (1357, 154179), (1389, 150627), (2183, 95841), (2553, 81951), (4071, 51393), (4167, 50209), (6549, 31947), (7659, 27317), (10649, 19647), (12213, 17131)]