399205257

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{57881}}^1$

素因数の和:57925

約数の個数: 24

約数和(自身を含む): 615864480

約数和(自身を除く): 216659223

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 6897, 57881, 173643, 636691, 1099739, 1910073, 3299217, 7003601, 12097129, 21010803, 36291387, 133068419, 399205257]

約数ペア:

[(1, 399205257), (3, 133068419), (11, 36291387), (19, 21010803), (33, 12097129), (57, 7003601), (121, 3299217), (209, 1910073), (363, 1099739), (627, 636691), (2299, 173643), (6897, 57881)]