208137.0000000

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 24

約数和(自身を含む): 1888560

約数和(自身を除く): 715869

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 257, 351, 507, 771, 1521, 2313, 3341, 4563, 6939, 10023, 30069, 43433, 90207, 130299, 390897, 1172691]

約数ペア:

[(1, 1172691), (3, 390897), (9, 130299), (13, 90207), (27, 43433), (39, 30069), (117, 10023), (169, 6939), (257, 4563), (351, 3341), (507, 2313), (771, 1521)]