155220219

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 296626176

約数和(自身を除く): 141405957

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 63, 77, 81, 99, 123, 189, 231, 287, 297, 369, 451, 567, 607, 693, 861, 891, 1107, 1353, 1821, 2079, 2583, 3157, 3321, 4059, 4249, 5463, 6237, 6677, 7749, 9471, 12177, 12747, 16389, 20031, 23247, 24887, 28413, 36531, 38241, 46739, 49167, 60093, 74661, 85239, 114723, 140217, 174209, 180279, 223983, 255717, 273757, 344169, 420651, 522627, 540837, 671949, 821271, 1261953, 1567881, 1916299, 2015847, 2463813, 3785859, 4703643, 5748897, 7391439, 14110929, 17246691, 22174317, 51740073, 155220219]

約数ペア:

[(1, 155220219), (3, 51740073), (7, 22174317), (9, 17246691), (11, 14110929), (21, 7391439), (27, 5748897), (33, 4703643), (41, 3785859), (63, 2463813), (77, 2015847), (81, 1916299), (99, 1567881), (123, 1261953), (189, 821271), (231, 671949), (287, 540837), (297, 522627), (369, 420651), (451, 344169), (567, 273757), (607, 255717), (693, 223983), (861, 180279), (891, 174209), (1107, 140217), (1353, 114723), (1821, 85239), (2079, 74661), (2583, 60093), (3157, 49167), (3321, 46739), (4059, 38241), (4249, 36531), (5463, 28413), (6237, 24887), (6677, 23247), (7749, 20031), (9471, 16389), (12177, 12747)]