81247569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 42857391

約数列:

[1, 3, 13, 23, 39, 53, 69, 159, 299, 689, 897, 1219, 1709, 2067, 3657, 5127, 15847, 22217, 39307, 47541, 66651, 90577, 117921, 271731, 510991, 1177501, 1532973, 2083271, 3532503, 6249813, 27082523, 81247569]

約数ペア:

[(1, 81247569), (3, 27082523), (13, 6249813), (23, 3532503), (39, 2083271), (53, 1532973), (69, 1177501), (159, 510991), (299, 271731), (689, 117921), (897, 90577), (1219, 66651), (1709, 47541), (2067, 39307), (3657, 22217), (5127, 15847)]