31026219

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20809}}^1$

素因数の和:20890

約数の個数: 16

約数和(自身を含む): 47946240

約数和(自身を除く): 16920021

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 20809, 62427, 145663, 436989, 1477439, 4432317, 10342073, 31026219]

約数ペア:

[(1, 31026219), (3, 10342073), (7, 4432317), (21, 1477439), (71, 436989), (213, 145663), (497, 62427), (1491, 20809)]