80911671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{19993}}^1$

素因数の和:20086

約数の個数: 16

約数和(自身を含む): 115165440

約数和(自身を除く): 34253769

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 19993, 59979, 379867, 1139601, 1419503, 4258509, 26970557, 80911671]

約数ペア:

[(1, 80911671), (3, 26970557), (19, 4258509), (57, 1419503), (71, 1139601), (213, 379867), (1349, 59979), (4047, 19993)]