78888891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{7331}}^1$

素因数の和:7562

約数の個数: 16

約数和(自身を含む): 111915648

約数和(自身を除く): 33026757

約数列:

[1, 3, 17, 51, 211, 633, 3587, 7331, 10761, 21993, 124627, 373881, 1546841, 4640523, 26296297, 78888891]

約数ペア:

[(1, 78888891), (3, 26296297), (17, 4640523), (51, 1546841), (211, 373881), (633, 124627), (3587, 21993), (7331, 10761)]