221312443

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 262595520

約数和(自身を除く): 41283077

約数列:

[1, 11, 17, 43, 187, 289, 473, 731, 1619, 3179, 8041, 12427, 17809, 27523, 69617, 136697, 302753, 467891, 765787, 1183489, 5146801, 13018379, 20119313, 221312443]

約数ペア:

[(1, 221312443), (11, 20119313), (17, 13018379), (43, 5146801), (187, 1183489), (289, 765787), (473, 467891), (731, 302753), (1619, 136697), (3179, 69617), (8041, 27523), (12427, 17809)]