620415

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 1140048

約数和(自身を除く): 519633

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 811, 2433, 4055, 7299, 12165, 13787, 36495, 41361, 68935, 124083, 206805, 620415]

約数ペア:

[(1, 620415), (3, 206805), (5, 124083), (9, 68935), (15, 41361), (17, 36495), (45, 13787), (51, 12165), (85, 7299), (153, 4055), (255, 2433), (765, 811)]