2661972399

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{6863}}^1$

素因数の和:7547

約数の個数: 24

約数和(自身を含む): 3906220032

約数和(自身を除く): 1244247633

約数列:

[1, 3, 9, 71, 213, 607, 639, 1821, 5463, 6863, 20589, 43097, 61767, 129291, 387873, 487273, 1461819, 4165841, 4385457, 12497523, 37492569, 295774711, 887324133, 2661972399]

約数ペア:

[(1, 2661972399), (3, 887324133), (9, 295774711), (71, 37492569), (213, 12497523), (607, 4385457), (639, 4165841), (1821, 1461819), (5463, 487273), (6863, 387873), (20589, 129291), (43097, 61767)]