208889739

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{108967}}^1$

素因数の和:109047

約数の個数: 16

約数和(自身を含む): 313827840

約数和(自身を除く): 104938101

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 108967, 326901, 980703, 2942109, 7736657, 23209971, 69629913, 208889739]

約数ペア:

[(1, 208889739), (3, 69629913), (9, 23209971), (27, 7736657), (71, 2942109), (213, 980703), (639, 326901), (1917, 108967)]