289333919

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 354896928

約数和(自身を除く): 65563009

約数列:

[1, 7, 19, 61, 133, 361, 427, 1159, 1877, 2527, 8113, 13139, 22021, 35663, 114497, 154147, 249641, 677597, 801479, 2175443, 4743179, 15228101, 41333417, 289333919]

約数ペア:

[(1, 289333919), (7, 41333417), (19, 15228101), (61, 4743179), (133, 2175443), (361, 801479), (427, 677597), (1159, 249641), (1877, 154147), (2527, 114497), (8113, 35663), (13139, 22021)]