165865563

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{28051}}^1$

素因数の和:28136

約数の個数: 20

約数和(自身を含む): 251177608

約数和(自身を除く): 85312045

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 28051, 84153, 252459, 757377, 2047723, 2272131, 6143169, 18429507, 55288521, 165865563]

約数ペア:

[(1, 165865563), (3, 55288521), (9, 18429507), (27, 6143169), (73, 2272131), (81, 2047723), (219, 757377), (657, 252459), (1971, 84153), (5913, 28051)]