28370781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 43374240

約数和(自身を除く): 15003459

約数列:

[1, 3, 9, 19, 57, 171, 251, 661, 753, 1983, 2259, 4769, 5949, 12559, 14307, 37677, 42921, 113031, 165911, 497733, 1493199, 3152309, 9456927, 28370781]

約数ペア:

[(1, 28370781), (3, 9456927), (9, 3152309), (19, 1493199), (57, 497733), (171, 165911), (251, 113031), (661, 42921), (753, 37677), (1983, 14307), (2259, 12559), (4769, 5949)]