243069921

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{197137}}^1$

素因数の和:197280

約数の個数: 12

約数和(自身を含む): 353665572

約数和(自身を除く): 110595651

約数列:

[1, 3, 9, 137, 411, 1233, 197137, 591411, 1774233, 27007769, 81023307, 243069921]

約数ペア:

[(1, 243069921), (3, 81023307), (9, 27007769), (137, 1774233), (411, 591411), (1233, 197137)]