208620009

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{594359}}^1$

素因数の和:594381

約数の個数: 16

約数和(自身を含む): 332841600

約数和(自身を除く): 124221591

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 594359, 1783077, 5349231, 7726667, 16047693, 23180001, 69540003, 208620009]

約数ペア:

[(1, 208620009), (3, 69540003), (9, 23180001), (13, 16047693), (27, 7726667), (39, 5349231), (117, 1783077), (351, 594359)]