17927091

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 33611760

約数和(自身を除く): 15684669

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 53, 59, 63, 91, 117, 147, 159, 177, 273, 371, 413, 441, 477, 531, 637, 689, 767, 819, 1113, 1239, 1911, 2067, 2301, 2597, 2891, 3127, 3339, 3717, 4823, 5369, 5733, 6201, 6903, 7791, 8673, 9381, 14469, 16107, 21889, 23373, 26019, 28143, 33761, 37583, 40651, 43407, 48321, 65667, 101283, 112749, 121953, 153223, 197001, 284557, 303849, 338247, 365859, 459669, 853671, 1379007, 1991899, 2561013, 5975697, 17927091]

約数ペア:

[(1, 17927091), (3, 5975697), (7, 2561013), (9, 1991899), (13, 1379007), (21, 853671), (39, 459669), (49, 365859), (53, 338247), (59, 303849), (63, 284557), (91, 197001), (117, 153223), (147, 121953), (159, 112749), (177, 101283), (273, 65667), (371, 48321), (413, 43407), (441, 40651), (477, 37583), (531, 33761), (637, 28143), (689, 26019), (767, 23373), (819, 21889), (1113, 16107), (1239, 14469), (1911, 9381), (2067, 8673), (2301, 7791), (2597, 6903), (2891, 6201), (3127, 5733), (3339, 5369), (3717, 4823)]