31441095

素因数分解:

$3^3\times 5^1\times 7^4\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 80

約数和(自身を含む): 65879520

約数和(自身を除く): 34438425

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 97, 105, 135, 147, 189, 245, 291, 315, 343, 441, 485, 679, 735, 873, 945, 1029, 1323, 1455, 1715, 2037, 2205, 2401, 2619, 3087, 3395, 4365, 4753, 5145, 6111, 6615, 7203, 9261, 10185, 12005, 13095, 14259, 15435, 18333, 21609, 23765, 30555, 33271, 36015, 42777, 46305, 64827, 71295, 91665, 99813, 108045, 128331, 166355, 213885, 232897, 299439, 324135, 499065, 641655, 698691, 898317, 1164485, 1497195, 2096073, 3493455, 4491585, 6288219, 10480365, 31441095]

約数ペア:

[(1, 31441095), (3, 10480365), (5, 6288219), (7, 4491585), (9, 3493455), (15, 2096073), (21, 1497195), (27, 1164485), (35, 898317), (45, 698691), (49, 641655), (63, 499065), (97, 324135), (105, 299439), (135, 232897), (147, 213885), (189, 166355), (245, 128331), (291, 108045), (315, 99813), (343, 91665), (441, 71295), (485, 64827), (679, 46305), (735, 42777), (873, 36015), (945, 33271), (1029, 30555), (1323, 23765), (1455, 21609), (1715, 18333), (2037, 15435), (2205, 14259), (2401, 13095), (2619, 12005), (3087, 10185), (3395, 9261), (4365, 7203), (4753, 6615), (5145, 6111)]