86198985

素因数分解:

$3^4\times 5^1\times {\mathrm{212837}}^1$

素因数の和:212854

約数の個数: 20

約数和(自身を含む): 154520388

約数和(自身を除く): 68321403

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 212837, 638511, 1064185, 1915533, 3192555, 5746599, 9577665, 17239797, 28732995, 86198985]

約数ペア:

[(1, 86198985), (3, 28732995), (5, 17239797), (9, 9577665), (15, 5746599), (27, 3192555), (45, 1915533), (81, 1064185), (135, 638511), (405, 212837)]