39999729

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 70096320

約数和(自身を除く): 30096591

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 539, 609, 853, 957, 1421, 1617, 2233, 2559, 4263, 5971, 6699, 9383, 15631, 17913, 24737, 28149, 41797, 46893, 65681, 74211, 125391, 173159, 197043, 272107, 459767, 519477, 816321, 1212113, 1379301, 1904749, 3636339, 5714247, 13333243, 39999729]

約数ペア:

[(1, 39999729), (3, 13333243), (7, 5714247), (11, 3636339), (21, 1904749), (29, 1379301), (33, 1212113), (49, 816321), (77, 519477), (87, 459767), (147, 272107), (203, 197043), (231, 173159), (319, 125391), (539, 74211), (609, 65681), (853, 46893), (957, 41797), (1421, 28149), (1617, 24737), (2233, 17913), (2559, 15631), (4263, 9383), (5971, 6699)]