171937521

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{9067}}^1$

素因数の和:9130

約数の個数: 36

約数和(自身を含む): 295653072

約数和(自身を除く): 123715551

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 6321, 9067, 18963, 27201, 63469, 81603, 190407, 389881, 444283, 571221, 1169643, 1332849, 2729167, 3508929, 3998547, 8187501, 19104169, 24562503, 57312507, 171937521]

約数ペア:

[(1, 171937521), (3, 57312507), (7, 24562503), (9, 19104169), (21, 8187501), (43, 3998547), (49, 3508929), (63, 2729167), (129, 1332849), (147, 1169643), (301, 571221), (387, 444283), (441, 389881), (903, 190407), (2107, 81603), (2709, 63469), (6321, 27201), (9067, 18963)]