209905941

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163861}}^1$

素因数の和:163932

約数の個数: 16

約数和(自身を含む): 325102208

約数和(自身を除く): 115196267

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 163861, 491583, 1147027, 3441081, 9995521, 29986563, 69968647, 209905941]

約数ペア:

[(1, 209905941), (3, 69968647), (7, 29986563), (21, 9995521), (61, 3441081), (183, 1147027), (427, 491583), (1281, 163861)]