213885585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 420526080

約数和(自身を除く): 206640495

約数列:

[1, 3, 5, 9, 15, 17, 29, 31, 45, 51, 85, 87, 93, 145, 153, 155, 255, 261, 279, 311, 435, 465, 493, 527, 765, 899, 933, 1305, 1395, 1479, 1555, 1581, 2465, 2635, 2697, 2799, 4437, 4495, 4665, 4743, 5287, 7395, 7905, 8091, 9019, 9641, 13485, 13995, 15283, 15861, 22185, 23715, 26435, 27057, 28923, 40455, 45095, 45849, 47583, 48205, 76415, 79305, 81171, 86769, 135285, 137547, 144615, 153323, 163897, 229245, 237915, 279589, 405855, 433845, 459969, 491691, 687735, 766615, 819485, 838767, 1379907, 1397945, 1475073, 2299845, 2458455, 2516301, 4193835, 4753013, 6899535, 7375365, 12581505, 14259039, 23765065, 42777117, 71295195, 213885585]

約数ペア:

[(1, 213885585), (3, 71295195), (5, 42777117), (9, 23765065), (15, 14259039), (17, 12581505), (29, 7375365), (31, 6899535), (45, 4753013), (51, 4193835), (85, 2516301), (87, 2458455), (93, 2299845), (145, 1475073), (153, 1397945), (155, 1379907), (255, 838767), (261, 819485), (279, 766615), (311, 687735), (435, 491691), (465, 459969), (493, 433845), (527, 405855), (765, 279589), (899, 237915), (933, 229245), (1305, 163897), (1395, 153323), (1479, 144615), (1555, 137547), (1581, 135285), (2465, 86769), (2635, 81171), (2697, 79305), (2799, 76415), (4437, 48205), (4495, 47583), (4665, 45849), (4743, 45095), (5287, 40455), (7395, 28923), (7905, 27057), (8091, 26435), (9019, 23715), (9641, 22185), (13485, 15861), (13995, 15283)]