209217873

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{28019}}^1$

素因数の和:28172

約数の個数: 16

約数和(自身を含む): 295891200

約数和(自身を除く): 86673327

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 28019, 84057, 532361, 1597083, 3670489, 11011467, 69739291, 209217873]

約数ペア:

[(1, 209217873), (3, 69739291), (19, 11011467), (57, 3670489), (131, 1597083), (393, 532361), (2489, 84057), (7467, 28019)]