81338445

素因数分解:

$3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2129}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 145180800

約数和(自身を除く): 63842355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 283, 849, 1415, 2129, 2547, 4245, 6387, 7641, 10645, 12735, 19161, 31935, 38205, 57483, 95805, 287415, 602507, 1807521, 3012535, 5422563, 9037605, 16267689, 27112815, 81338445]

約数ペア:

[(1, 81338445), (3, 27112815), (5, 16267689), (9, 9037605), (15, 5422563), (27, 3012535), (45, 1807521), (135, 602507), (283, 287415), (849, 95805), (1415, 57483), (2129, 38205), (2547, 31935), (4245, 19161), (6387, 12735), (7641, 10645)]