208021869

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{191021}}^1$

素因数の和:191049

約数の個数: 18

約数和(自身を含む): 330277038

約数和(自身を除く): 122255169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 191021, 573063, 1719189, 2101231, 6303693, 18911079, 23113541, 69340623, 208021869]

約数ペア:

[(1, 208021869), (3, 69340623), (9, 23113541), (11, 18911079), (33, 6303693), (99, 2101231), (121, 1719189), (363, 573063), (1089, 191021)]