71637651

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{1579}}^1$

素因数の和:1727

約数の個数: 18

約数和(自身を含む): 105021020

約数和(自身を除く): 33383369

約数列:

[1, 3, 9, 71, 213, 639, 1579, 4737, 5041, 14211, 15123, 45369, 112109, 336327, 1008981, 7959739, 23879217, 71637651]

約数ペア:

[(1, 71637651), (3, 23879217), (9, 7959739), (71, 1008981), (213, 336327), (639, 112109), (1579, 45369), (4737, 15123), (5041, 14211)]