1821391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 2193408

約数和(自身を除く): 372017

約数列:

[1, 11, 13, 47, 143, 271, 517, 611, 2981, 3523, 6721, 12737, 38753, 140107, 165581, 1821391]

約数ペア:

[(1, 1821391), (11, 165581), (13, 140107), (47, 38753), (143, 12737), (271, 6721), (517, 3523), (611, 2981)]