10991211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47581}}^1$

素因数の和:47602

約数の個数: 16

約数和(自身を含む): 18271488

約数和(自身を除く): 7280277

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 47581, 142743, 333067, 523391, 999201, 1570173, 3663737, 10991211]

約数ペア:

[(1, 10991211), (3, 3663737), (7, 1570173), (11, 999201), (21, 523391), (33, 333067), (77, 142743), (231, 47581)]