219510297

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{71947}}^1$

素因数の和:72069

約数の個数: 16

約数和(自身を含む): 328082880

約数和(自身を除く): 108572583

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 71947, 215841, 647523, 1942569, 8130011, 24390033, 73170099, 219510297]

約数ペア:

[(1, 219510297), (3, 73170099), (9, 24390033), (27, 8130011), (113, 1942569), (339, 647523), (1017, 215841), (3051, 71947)]