12986721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 20588256

約数和(自身を除く): 7601535

約数列:

[1, 3, 9, 11, 33, 99, 233, 563, 699, 1689, 2097, 2563, 5067, 6193, 7689, 18579, 23067, 55737, 131179, 393537, 1180611, 1442969, 4328907, 12986721]

約数ペア:

[(1, 12986721), (3, 4328907), (9, 1442969), (11, 1180611), (33, 393537), (99, 131179), (233, 55737), (563, 23067), (699, 18579), (1689, 7689), (2097, 6193), (2563, 5067)]