1098441

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 20

約数和(自身を含む): 1672704

約数和(自身を除く): 574263

約数列:

[1, 3, 9, 27, 71, 81, 191, 213, 573, 639, 1719, 1917, 5157, 5751, 13561, 15471, 40683, 122049, 366147, 1098441]

約数ペア:

[(1, 1098441), (3, 366147), (9, 122049), (27, 40683), (71, 15471), (81, 13561), (191, 5751), (213, 5157), (573, 1917), (639, 1719)]