81223269

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4987}}^1$

素因数の和:5140

約数の個数: 16

約数和(自身を含む): 111332160

約数和(自身を除く): 30108891

約数列:

[1, 3, 61, 89, 183, 267, 4987, 5429, 14961, 16287, 304207, 443843, 912621, 1331529, 27074423, 81223269]

約数ペア:

[(1, 81223269), (3, 27074423), (61, 1331529), (89, 912621), (183, 443843), (267, 304207), (4987, 16287), (5429, 14961)]