249966717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 475038720

約数和(自身を除く): 225072003

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 169, 209, 231, 247, 273, 337, 399, 429, 507, 627, 741, 1001, 1011, 1183, 1463, 1729, 1859, 2359, 2717, 3003, 3211, 3549, 3707, 4381, 4389, 5187, 5577, 6403, 7077, 8151, 9633, 11121, 13013, 13143, 19019, 19209, 22477, 25949, 30667, 35321, 39039, 44821, 48191, 56953, 57057, 67431, 70433, 77847, 83239, 92001, 105963, 134463, 144573, 170859, 211299, 247247, 249717, 337337, 398671, 493031, 582673, 626483, 741741, 915629, 1012011, 1082107, 1196013, 1479093, 1748019, 1879449, 2746887, 3246321, 4385381, 6409403, 7574749, 11903177, 13156143, 19228209, 22724247, 35709531, 83322239, 249966717]

約数ペア:

[(1, 249966717), (3, 83322239), (7, 35709531), (11, 22724247), (13, 19228209), (19, 13156143), (21, 11903177), (33, 7574749), (39, 6409403), (57, 4385381), (77, 3246321), (91, 2746887), (133, 1879449), (143, 1748019), (169, 1479093), (209, 1196013), (231, 1082107), (247, 1012011), (273, 915629), (337, 741741), (399, 626483), (429, 582673), (507, 493031), (627, 398671), (741, 337337), (1001, 249717), (1011, 247247), (1183, 211299), (1463, 170859), (1729, 144573), (1859, 134463), (2359, 105963), (2717, 92001), (3003, 83239), (3211, 77847), (3549, 70433), (3707, 67431), (4381, 57057), (4389, 56953), (5187, 48191), (5577, 44821), (6403, 39039), (7077, 35321), (8151, 30667), (9633, 25949), (11121, 22477), (13013, 19209), (13143, 19019)]