15787407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 23874048

約数和(自身を除く): 8086641

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 313, 391, 731, 939, 989, 1173, 2193, 2967, 5321, 7199, 13459, 15963, 16813, 21597, 40377, 50439, 122383, 228803, 309557, 367149, 686409, 928671, 5262469, 15787407]

約数ペア:

[(1, 15787407), (3, 5262469), (17, 928671), (23, 686409), (43, 367149), (51, 309557), (69, 228803), (129, 122383), (313, 50439), (391, 40377), (731, 21597), (939, 16813), (989, 15963), (1173, 13459), (2193, 7199), (2967, 5321)]