39963441

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 65858560

約数和(自身を除く): 25895119

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 2707, 4921, 8121, 14763, 18949, 51433, 56847, 100159, 154299, 300477, 360031, 701113, 1080093, 1903021, 2103339, 5709063, 13321147, 39963441]

約数ペア:

[(1, 39963441), (3, 13321147), (7, 5709063), (19, 2103339), (21, 1903021), (37, 1080093), (57, 701113), (111, 360031), (133, 300477), (259, 154299), (399, 100159), (703, 56847), (777, 51433), (2109, 18949), (2707, 14763), (4921, 8121)]