87431071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7013}}^1$

素因数の和:7170

約数の個数: 16

約数和(自身を含む): 108408384

約数和(自身を除く): 20977313

約数列:

[1, 7, 13, 91, 137, 959, 1781, 7013, 12467, 49091, 91169, 638183, 960781, 6725467, 12490153, 87431071]

約数ペア:

[(1, 87431071), (7, 12490153), (13, 6725467), (91, 960781), (137, 638183), (959, 91169), (1781, 49091), (7013, 12467)]