89970987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{24847}}^1$

素因数の和:24938

約数の個数: 16

約数和(自身を含む): 128812032

約数和(自身を除く): 38841045

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 24847, 74541, 422399, 1267197, 1764137, 5292411, 29990329, 89970987]

約数ペア:

[(1, 89970987), (3, 29990329), (17, 5292411), (51, 1764137), (71, 1267197), (213, 422399), (1207, 74541), (3621, 24847)]