15815559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 7892601

約数列:

[1, 3, 17, 23, 51, 69, 97, 139, 291, 391, 417, 1173, 1649, 2231, 2363, 3197, 4947, 6693, 7089, 9591, 13483, 37927, 40449, 54349, 113781, 163047, 229211, 310109, 687633, 930327, 5271853, 15815559]

約数ペア:

[(1, 15815559), (3, 5271853), (17, 930327), (23, 687633), (51, 310109), (69, 229211), (97, 163047), (139, 113781), (291, 54349), (391, 40449), (417, 37927), (1173, 13483), (1649, 9591), (2231, 7089), (2363, 6693), (3197, 4947)]