81369761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 96853248

約数和(自身を除く): 15483487

約数列:

[1, 11, 19, 31, 209, 341, 361, 589, 661, 3971, 6479, 7271, 11191, 12559, 20491, 123101, 138149, 225401, 238621, 389329, 2624831, 4282619, 7397251, 81369761]

約数ペア:

[(1, 81369761), (11, 7397251), (19, 4282619), (31, 2624831), (209, 389329), (341, 238621), (361, 225401), (589, 138149), (661, 123101), (3971, 20491), (6479, 12559), (7271, 11191)]