1856161881

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{1031}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 3328670592

約数和(自身を除く): 1472508711

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 697, 861, 1031, 1071, 1681, 2091, 2583, 3093, 4879, 5043, 6273, 7217, 9279, 11767, 14637, 15129, 17527, 21651, 28577, 35301, 42271, 43911, 52581, 64953, 85731, 105903, 122689, 126813, 157743, 200039, 257193, 295897, 368067, 380439, 600117, 718607, 887691, 1104201, 1733111, 1800351, 2155821, 2663073, 5030249, 5199333, 6467463, 12131777, 15090747, 15597999, 29462887, 36395331, 45272241, 88388661, 109185993, 206240209, 265165983, 618720627, 1856161881]

約数ペア:

[(1, 1856161881), (3, 618720627), (7, 265165983), (9, 206240209), (17, 109185993), (21, 88388661), (41, 45272241), (51, 36395331), (63, 29462887), (119, 15597999), (123, 15090747), (153, 12131777), (287, 6467463), (357, 5199333), (369, 5030249), (697, 2663073), (861, 2155821), (1031, 1800351), (1071, 1733111), (1681, 1104201), (2091, 887691), (2583, 718607), (3093, 600117), (4879, 380439), (5043, 368067), (6273, 295897), (7217, 257193), (9279, 200039), (11767, 157743), (14637, 126813), (15129, 122689), (17527, 105903), (21651, 85731), (28577, 64953), (35301, 52581), (42271, 43911)]