221796720441

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{347099719}}^1$

素因数の和:347099796

約数の個数: 12

約数和(自身を含む): 324885337920

約数和(自身を除く): 103088617479

約数列:

[1, 3, 9, 71, 213, 639, 347099719, 1041299157, 3123897471, 24644080049, 73932240147, 221796720441]

約数ペア:

[(1, 221796720441), (3, 73932240147), (9, 24644080049), (71, 3123897471), (213, 1041299157), (639, 347099719)]