81105871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{10859}}^1$

素因数の和:10974

約数の個数: 16

約数和(自身を含む): 102170880

約数和(自身を除く): 21065009

約数列:

[1, 7, 11, 77, 97, 679, 1067, 7469, 10859, 76013, 119449, 836143, 1053323, 7373261, 11586553, 81105871]

約数ペア:

[(1, 81105871), (7, 11586553), (11, 7373261), (77, 1053323), (97, 836143), (679, 119449), (1067, 76013), (7469, 10859)]