39898593

素因数分解:

$3^2\times 7^2\times {\mathrm{90473}}^1$

素因数の和:90493

約数の個数: 18

約数和(自身を含む): 67041234

約数和(自身を除く): 27142641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90473, 271419, 633311, 814257, 1899933, 4433177, 5699799, 13299531, 39898593]

約数ペア:

[(1, 39898593), (3, 13299531), (7, 5699799), (9, 4433177), (21, 1899933), (49, 814257), (63, 633311), (147, 271419), (441, 90473)]