81263163

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 117849600

約数和(自身を除く): 36586437

約数列:

[1, 3, 23, 43, 61, 69, 129, 183, 449, 989, 1347, 1403, 2623, 2967, 4209, 7869, 10327, 19307, 27389, 30981, 57921, 60329, 82167, 180987, 444061, 629947, 1177727, 1332183, 1889841, 3533181, 27087721, 81263163]

約数ペア:

[(1, 81263163), (3, 27087721), (23, 3533181), (43, 1889841), (61, 1332183), (69, 1177727), (129, 629947), (183, 444061), (449, 180987), (989, 82167), (1347, 60329), (1403, 57921), (2623, 30981), (2967, 27389), (4209, 19307), (7869, 10327)]