12806865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16741}}^1$

素因数の和:16769

約数の個数: 24

約数和(自身を含む): 23505768

約数和(自身を除く): 10698903

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 16741, 50223, 83705, 150669, 251115, 284597, 753345, 853791, 1422985, 2561373, 4268955, 12806865]

約数ペア:

[(1, 12806865), (3, 4268955), (5, 2561373), (9, 1422985), (15, 853791), (17, 753345), (45, 284597), (51, 251115), (85, 150669), (153, 83705), (255, 50223), (765, 16741)]