28105623

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 54792192

約数和(自身を除く): 26686569

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 41, 63, 81, 91, 93, 117, 123, 189, 217, 243, 273, 279, 287, 351, 369, 403, 533, 567, 651, 819, 837, 861, 1053, 1107, 1209, 1271, 1599, 1701, 1953, 2457, 2511, 2583, 2821, 3159, 3321, 3627, 3731, 3813, 4797, 5859, 7371, 7533, 7749, 8463, 8897, 9963, 10881, 11193, 11439, 14391, 16523, 17577, 22113, 23247, 25389, 26691, 32643, 33579, 34317, 43173, 49569, 52731, 69741, 76167, 80073, 97929, 100737, 102951, 115661, 129519, 148707, 228501, 240219, 302211, 308853, 346983, 446121, 685503, 720657, 906633, 1040949, 1338363, 2161971, 3122847, 4015089, 9368541, 28105623]

約数ペア:

[(1, 28105623), (3, 9368541), (7, 4015089), (9, 3122847), (13, 2161971), (21, 1338363), (27, 1040949), (31, 906633), (39, 720657), (41, 685503), (63, 446121), (81, 346983), (91, 308853), (93, 302211), (117, 240219), (123, 228501), (189, 148707), (217, 129519), (243, 115661), (273, 102951), (279, 100737), (287, 97929), (351, 80073), (369, 76167), (403, 69741), (533, 52731), (567, 49569), (651, 43173), (819, 34317), (837, 33579), (861, 32643), (1053, 26691), (1107, 25389), (1209, 23247), (1271, 22113), (1599, 17577), (1701, 16523), (1953, 14391), (2457, 11439), (2511, 11193), (2583, 10881), (2821, 9963), (3159, 8897), (3321, 8463), (3627, 7749), (3731, 7533), (3813, 7371), (4797, 5859)]