31319211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135581}}^1$

素因数の和:135602

約数の個数: 16

約数和(自身を含む): 52063488

約数和(自身を除く): 20744277

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 135581, 406743, 949067, 1491391, 2847201, 4474173, 10439737, 31319211]

約数ペア:

[(1, 31319211), (3, 10439737), (7, 4474173), (11, 2847201), (21, 1491391), (33, 949067), (77, 406743), (231, 135581)]