206805963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 353239040

約数和(自身を除く): 146433077

約数列:

[1, 3, 7, 13, 21, 39, 43, 79, 91, 129, 223, 237, 273, 301, 553, 559, 669, 903, 1027, 1561, 1659, 1677, 2899, 3081, 3397, 3913, 4683, 7189, 8697, 9589, 10191, 11739, 17617, 20293, 21567, 23779, 28767, 44161, 52851, 60879, 67123, 71337, 123319, 124657, 132483, 201369, 229021, 309127, 369957, 373971, 687063, 757531, 872599, 927381, 1603147, 2272593, 2617797, 4809441, 5302717, 9847903, 15908151, 29543709, 68935321, 206805963]

約数ペア:

[(1, 206805963), (3, 68935321), (7, 29543709), (13, 15908151), (21, 9847903), (39, 5302717), (43, 4809441), (79, 2617797), (91, 2272593), (129, 1603147), (223, 927381), (237, 872599), (273, 757531), (301, 687063), (553, 373971), (559, 369957), (669, 309127), (903, 229021), (1027, 201369), (1561, 132483), (1659, 124657), (1677, 123319), (2899, 71337), (3081, 67123), (3397, 60879), (3913, 52851), (4683, 44161), (7189, 28767), (8697, 23779), (9589, 21567), (10191, 20293), (11739, 17617)]