67808279

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 85800960

約数和(自身を除く): 17992681

約数列:

[1, 7, 11, 77, 121, 223, 359, 847, 1561, 2453, 2513, 3949, 17171, 26983, 27643, 43439, 80057, 188881, 304073, 560399, 880627, 6164389, 9686897, 67808279]

約数ペア:

[(1, 67808279), (7, 9686897), (11, 6164389), (77, 880627), (121, 560399), (223, 304073), (359, 188881), (847, 80057), (1561, 43439), (2453, 27643), (2513, 26983), (3949, 17171)]