12690657

素因数分解:

$3^2\times 7^3\times {\mathrm{4111}}^1$

素因数の和:4138

約数の個数: 24

約数和(自身を含む): 21382400

約数和(自身を除く): 8691743

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4111, 12333, 28777, 36999, 86331, 201439, 258993, 604317, 1410073, 1812951, 4230219, 12690657]

約数ペア:

[(1, 12690657), (3, 4230219), (7, 1812951), (9, 1410073), (21, 604317), (49, 258993), (63, 201439), (147, 86331), (343, 36999), (441, 28777), (1029, 12333), (3087, 4111)]