81218163

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{122501}}^1$

素因数の和:122534

約数の個数: 16

約数和(自身を含む): 123482016

約数和(自身を除く): 42263853

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 122501, 367503, 1592513, 2082517, 4777539, 6247551, 27072721, 81218163]

約数ペア:

[(1, 81218163), (3, 27072721), (13, 6247551), (17, 4777539), (39, 2082517), (51, 1592513), (221, 367503), (663, 122501)]