71458317

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5278

約数の個数: 36

約数和(自身を含む): 123966336

約数和(自身を除く): 52508019

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 4557, 5227, 13671, 15681, 36589, 47043, 109767, 162037, 256123, 329301, 486111, 768369, 1134259, 1458333, 2305107, 3402777, 7939813, 10208331, 23819439, 71458317]

約数ペア:

[(1, 71458317), (3, 23819439), (7, 10208331), (9, 7939813), (21, 3402777), (31, 2305107), (49, 1458333), (63, 1134259), (93, 768369), (147, 486111), (217, 329301), (279, 256123), (441, 162037), (651, 109767), (1519, 47043), (1953, 36589), (4557, 15681), (5227, 13671)]