201517857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{1621}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 307012160

約数和(自身を除く): 105494303

約数列:

[1, 3, 9, 19, 57, 171, 727, 1621, 2181, 4863, 6543, 13813, 14589, 30799, 41439, 92397, 124317, 277191, 1178467, 3535401, 10606203, 22390873, 67172619, 201517857]

約数ペア:

[(1, 201517857), (3, 67172619), (9, 22390873), (19, 10606203), (57, 3535401), (171, 1178467), (727, 277191), (1621, 124317), (2181, 92397), (4863, 41439), (6543, 30799), (13813, 14589)]