207958743

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{64007}}^1$

素因数の和:64051

約数の個数: 18

約数和(自身を含む): 317031624

約数和(自身を除く): 109072881

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 64007, 192021, 576063, 1216133, 3648399, 10945197, 23106527, 69319581, 207958743]

約数ペア:

[(1, 207958743), (3, 69319581), (9, 23106527), (19, 10945197), (57, 3648399), (171, 1216133), (361, 576063), (1083, 192021), (3249, 64007)]