12780903

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 17455232

約数和(自身を除く): 4674329

約数列:

[1, 3, 61, 183, 211, 331, 633, 993, 12871, 20191, 38613, 60573, 69841, 209523, 4260301, 12780903]

約数ペア:

[(1, 12780903), (3, 4260301), (61, 209523), (183, 69841), (211, 60573), (331, 38613), (633, 20191), (993, 12871)]