255189

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 404320

約数和(自身を除く): 149131

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 121, 209, 363, 407, 627, 703, 1221, 2109, 2299, 4477, 6897, 7733, 13431, 23199, 85063, 255189]

約数ペア:

[(1, 255189), (3, 85063), (11, 23199), (19, 13431), (33, 7733), (37, 6897), (57, 4477), (111, 2299), (121, 2109), (209, 1221), (363, 703), (407, 627)]