217999323

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{113719}}^1$

素因数の和:113799

約数の個数: 16

約数和(自身を含む): 327513600

約数和(自身を除く): 109514277

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 113719, 341157, 1023471, 3070413, 8074049, 24222147, 72666441, 217999323]

約数ペア:

[(1, 217999323), (3, 72666441), (9, 24222147), (27, 8074049), (71, 3070413), (213, 1023471), (639, 341157), (1917, 113719)]