1111221

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1707264

約数和(自身を除く): 596043

約数列:

[1, 3, 9, 37, 47, 71, 111, 141, 213, 333, 423, 639, 1739, 2627, 3337, 5217, 7881, 10011, 15651, 23643, 30033, 123469, 370407, 1111221]

約数ペア:

[(1, 1111221), (3, 370407), (9, 123469), (37, 30033), (47, 23643), (71, 15651), (111, 10011), (141, 7881), (213, 5217), (333, 3337), (423, 2627), (639, 1739)]