8421243

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 12201984

約数和(自身を除く): 3780741

約数列:

[1, 3, 23, 31, 69, 93, 127, 381, 713, 961, 2139, 2883, 2921, 3937, 8763, 11811, 22103, 66309, 90551, 122047, 271653, 366141, 2807081, 8421243]

約数ペア:

[(1, 8421243), (3, 2807081), (23, 366141), (31, 271653), (69, 122047), (93, 90551), (127, 66309), (381, 22103), (713, 11811), (961, 8763), (2139, 3937), (2883, 2921)]