31219281405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1\times {\mathrm{2393}}^1$

素因数の和:3215

約数の個数: 96

約数和(自身を含む): 60389128800

約数和(自身を除く): 29169847395

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 769, 1131, 1305, 1885, 2307, 2393, 3393, 3845, 5655, 6921, 7179, 9997, 11535, 11965, 16965, 21537, 22301, 29991, 31109, 34605, 35895, 49985, 66903, 69397, 89973, 93327, 107685, 111505, 149955, 155545, 200709, 208191, 279981, 289913, 334515, 346985, 449865, 466635, 624573, 869739, 902161, 1003545, 1040955, 1399905, 1449565, 1840217, 2609217, 2706483, 3122865, 4348695, 4510805, 5520651, 8119449, 9201085, 13046085, 13532415, 16561953, 23922821, 27603255, 40597245, 53366293, 71768463, 82809765, 119614105, 160098879, 215305389, 266831465, 358842315, 480296637, 693761809, 800494395, 1076526945, 2081285427, 2401483185, 3468809045, 6243856281, 10406427135, 31219281405]

約数ペア:

[(1, 31219281405), (3, 10406427135), (5, 6243856281), (9, 3468809045), (13, 2401483185), (15, 2081285427), (29, 1076526945), (39, 800494395), (45, 693761809), (65, 480296637), (87, 358842315), (117, 266831465), (145, 215305389), (195, 160098879), (261, 119614105), (377, 82809765), (435, 71768463), (585, 53366293), (769, 40597245), (1131, 27603255), (1305, 23922821), (1885, 16561953), (2307, 13532415), (2393, 13046085), (3393, 9201085), (3845, 8119449), (5655, 5520651), (6921, 4510805), (7179, 4348695), (9997, 3122865), (11535, 2706483), (11965, 2609217), (16965, 1840217), (21537, 1449565), (22301, 1399905), (29991, 1040955), (31109, 1003545), (34605, 902161), (35895, 869739), (49985, 624573), (66903, 466635), (69397, 449865), (89973, 346985), (93327, 334515), (107685, 289913), (111505, 279981), (149955, 208191), (155545, 200709)]