87520329

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{6991}}^1$

素因数の和:7117

約数の個数: 24

約数和(自身を含む): 137434752

約数和(自身を除く): 49914423

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 6991, 12519, 20973, 62919, 90883, 272649, 748037, 817947, 2244111, 6732333, 9724481, 29173443, 87520329]

約数ペア:

[(1, 87520329), (3, 29173443), (9, 9724481), (13, 6732333), (39, 2244111), (107, 817947), (117, 748037), (321, 272649), (963, 90883), (1391, 62919), (4173, 20973), (6991, 12519)]