86859945

素因数分解:

$3^4\times 5^1\times {\mathrm{214469}}^1$

素因数の和:214486

約数の個数: 20

約数和(自身を含む): 155705220

約数和(自身を除く): 68845275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 214469, 643407, 1072345, 1930221, 3217035, 5790663, 9651105, 17371989, 28953315, 86859945]

約数ペア:

[(1, 86859945), (3, 28953315), (5, 17371989), (9, 9651105), (15, 5790663), (27, 3217035), (45, 1930221), (81, 1072345), (135, 643407), (405, 214469)]