257829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 404544

約数和(自身を除く): 146715

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 601, 1803, 6611, 7813, 19833, 23439, 85943, 257829]

約数ペア:

[(1, 257829), (3, 85943), (11, 23439), (13, 19833), (33, 7813), (39, 6611), (143, 1803), (429, 601)]