81555331

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 97494320

約数和(自身を除く): 15938989

約数列:

[1, 11, 13, 121, 139, 143, 373, 1529, 1573, 1807, 4103, 4849, 16819, 19877, 45133, 51847, 53339, 218647, 570317, 586729, 674011, 6273487, 7414121, 81555331]

約数ペア:

[(1, 81555331), (11, 7414121), (13, 6273487), (121, 674011), (139, 586729), (143, 570317), (373, 218647), (1529, 53339), (1573, 51847), (1807, 45133), (4103, 19877), (4849, 16819)]