131232213

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{25097}}^1$

素因数の和:25193

約数の個数: 24

約数和(自身を含む): 219256128

約数和(自身を除く): 88023915

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 25097, 75291, 175679, 225873, 527037, 1581111, 2083051, 6249153, 14581357, 18747459, 43744071, 131232213]

約数ペア:

[(1, 131232213), (3, 43744071), (7, 18747459), (9, 14581357), (21, 6249153), (63, 2083051), (83, 1581111), (249, 527037), (581, 225873), (747, 175679), (1743, 75291), (5229, 25097)]