80391381

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 126517248

約数和(自身を除く): 46125867

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 701, 889, 903, 2103, 2667, 4907, 5461, 14721, 16383, 30143, 38227, 89027, 90429, 114681, 211001, 267081, 623189, 633003, 1869567, 3828161, 11484483, 26797127, 80391381]

約数ペア:

[(1, 80391381), (3, 26797127), (7, 11484483), (21, 3828161), (43, 1869567), (127, 633003), (129, 623189), (301, 267081), (381, 211001), (701, 114681), (889, 90429), (903, 89027), (2103, 38227), (2667, 30143), (4907, 16383), (5461, 14721)]