25780473

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 39592800

約数和(自身を除く): 13812327

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1409, 2033, 4227, 6099, 12681, 18297, 26771, 80313, 150763, 240939, 452289, 1356867, 2864497, 8593491, 25780473]

約数ペア:

[(1, 25780473), (3, 8593491), (9, 2864497), (19, 1356867), (57, 452289), (107, 240939), (171, 150763), (321, 80313), (963, 26771), (1409, 18297), (2033, 12681), (4227, 6099)]