253539

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 432432

約数和(自身を除く): 178893

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 197, 429, 591, 1287, 1773, 2167, 2561, 6501, 7683, 19503, 23049, 28171, 84513, 253539]

約数ペア:

[(1, 253539), (3, 84513), (9, 28171), (11, 23049), (13, 19503), (33, 7683), (39, 6501), (99, 2561), (117, 2167), (143, 1773), (197, 1287), (429, 591)]