81431779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1093}}^1$

素因数の和:1638

約数の個数: 16

約数和(自身を含む): 95939424

約数和(自身を除く): 14507645

約数列:

[1, 11, 13, 143, 521, 1093, 5731, 6773, 12023, 14209, 74503, 156299, 569453, 6263983, 7402889, 81431779]

約数ペア:

[(1, 81431779), (11, 7402889), (13, 6263983), (143, 569453), (521, 156299), (1093, 74503), (5731, 14209), (6773, 12023)]