208089711

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2377}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 307161504

約数和(自身を除く): 99071793

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1233, 2377, 7131, 9727, 21393, 29181, 87543, 168767, 325649, 506301, 976947, 1518903, 2930841, 23121079, 69363237, 208089711]

約数ペア:

[(1, 208089711), (3, 69363237), (9, 23121079), (71, 2930841), (137, 1518903), (213, 976947), (411, 506301), (639, 325649), (1233, 168767), (2377, 87543), (7131, 29181), (9727, 21393)]