71251929

素因数分解:

$3^2\times 7^2\times {\mathrm{161569}}^1$

素因数の和:161589

約数の個数: 18

約数和(自身を含む): 119723370

約数和(自身を除く): 48471441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 161569, 484707, 1130983, 1454121, 3392949, 7916881, 10178847, 23750643, 71251929]

約数ペア:

[(1, 71251929), (3, 23750643), (7, 10178847), (9, 7916881), (21, 3392949), (49, 1454121), (63, 1130983), (147, 484707), (441, 161569)]