27804609

素因数分解:

$3^2\times 7^3\times {\mathrm{9007}}^1$

素因数の和:9034

約数の個数: 24

約数和(自身を含む): 46841600

約数和(自身を除く): 19036991

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9007, 27021, 63049, 81063, 189147, 441343, 567441, 1324029, 3089401, 3972087, 9268203, 27804609]

約数ペア:

[(1, 27804609), (3, 9268203), (7, 3972087), (9, 3089401), (21, 1324029), (49, 567441), (63, 441343), (147, 189147), (343, 81063), (441, 63049), (1029, 27021), (3087, 9007)]