201990987

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{185483}}^1$

素因数の和:185511

約数の個数: 18

約数和(自身を含む): 320701836

約数和(自身を除く): 118710849

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 185483, 556449, 1669347, 2040313, 6120939, 18362817, 22443443, 67330329, 201990987]

約数ペア:

[(1, 201990987), (3, 67330329), (9, 22443443), (11, 18362817), (33, 6120939), (99, 2040313), (121, 1669347), (363, 556449), (1089, 185483)]