290321919

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{21491}}^1$

素因数の和:21595

約数の個数: 24

約数和(自身を含む): 447033600

約数和(自身を除く): 156711681

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 4503, 13509, 21491, 64473, 193419, 408329, 1224987, 1697789, 3674961, 5093367, 15280101, 32257991, 96773973, 290321919]

約数ペア:

[(1, 290321919), (3, 96773973), (9, 32257991), (19, 15280101), (57, 5093367), (79, 3674961), (171, 1697789), (237, 1224987), (711, 408329), (1501, 193419), (4503, 64473), (13509, 21491)]