15851745

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 34944000

約数和(自身を除く): 19092255

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 79, 91, 105, 117, 147, 195, 237, 245, 273, 315, 343, 395, 441, 455, 553, 585, 637, 711, 735, 819, 1027, 1029, 1185, 1365, 1659, 1715, 1911, 2205, 2765, 3081, 3087, 3185, 3555, 3871, 4095, 4459, 4977, 5135, 5145, 5733, 7189, 8295, 9243, 9555, 11613, 13377, 15405, 15435, 19355, 21567, 22295, 24885, 27097, 28665, 34839, 35945, 40131, 46215, 50323, 58065, 64701, 66885, 81291, 107835, 135485, 150969, 174195, 200655, 243873, 251615, 323505, 352261, 406455, 452907, 754845, 1056783, 1219365, 1761305, 2264535, 3170349, 5283915, 15851745]

約数ペア:

[(1, 15851745), (3, 5283915), (5, 3170349), (7, 2264535), (9, 1761305), (13, 1219365), (15, 1056783), (21, 754845), (35, 452907), (39, 406455), (45, 352261), (49, 323505), (63, 251615), (65, 243873), (79, 200655), (91, 174195), (105, 150969), (117, 135485), (147, 107835), (195, 81291), (237, 66885), (245, 64701), (273, 58065), (315, 50323), (343, 46215), (395, 40131), (441, 35945), (455, 34839), (553, 28665), (585, 27097), (637, 24885), (711, 22295), (735, 21567), (819, 19355), (1027, 15435), (1029, 15405), (1185, 13377), (1365, 11613), (1659, 9555), (1715, 9243), (1911, 8295), (2205, 7189), (2765, 5733), (3081, 5145), (3087, 5135), (3185, 4977), (3555, 4459), (3871, 4095)]