72081009

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 148313088

約数和(自身を除く): 76232079

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 49, 63, 77, 81, 91, 99, 117, 127, 143, 147, 189, 231, 273, 297, 351, 381, 429, 441, 539, 567, 637, 693, 819, 889, 891, 1001, 1053, 1143, 1287, 1323, 1397, 1617, 1651, 1911, 2079, 2457, 2667, 3003, 3429, 3861, 3969, 4191, 4851, 4953, 5733, 6223, 6237, 7007, 7371, 8001, 9009, 9779, 10287, 11557, 11583, 12573, 14553, 14859, 17199, 18161, 18669, 21021, 24003, 27027, 29337, 34671, 37719, 43659, 44577, 51597, 54483, 56007, 63063, 68453, 72009, 80899, 81081, 88011, 104013, 113157, 127127, 133731, 163449, 168021, 189189, 205359, 242697, 264033, 312039, 381381, 490347, 504063, 567567, 616077, 728091, 792099, 889889, 936117, 1144143, 1471041, 1848231, 2184273, 2669667, 3432429, 5544693, 6552819, 8009001, 10297287, 24027003, 72081009]

約数ペア:

[(1, 72081009), (3, 24027003), (7, 10297287), (9, 8009001), (11, 6552819), (13, 5544693), (21, 3432429), (27, 2669667), (33, 2184273), (39, 1848231), (49, 1471041), (63, 1144143), (77, 936117), (81, 889889), (91, 792099), (99, 728091), (117, 616077), (127, 567567), (143, 504063), (147, 490347), (189, 381381), (231, 312039), (273, 264033), (297, 242697), (351, 205359), (381, 189189), (429, 168021), (441, 163449), (539, 133731), (567, 127127), (637, 113157), (693, 104013), (819, 88011), (889, 81081), (891, 80899), (1001, 72009), (1053, 68453), (1143, 63063), (1287, 56007), (1323, 54483), (1397, 51597), (1617, 44577), (1651, 43659), (1911, 37719), (2079, 34671), (2457, 29337), (2667, 27027), (3003, 24003), (3429, 21021), (3861, 18669), (3969, 18161), (4191, 17199), (4851, 14859), (4953, 14553), (5733, 12573), (6223, 11583), (6237, 11557), (7007, 10287), (7371, 9779), (8001, 9009)]