205779639

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{9439}}^1$

素因数の和:9511

約数の個数: 24

約数和(自身を含む): 304043520

約数和(自身を除く): 98263881

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1677, 7267, 9439, 21801, 28317, 122707, 368121, 405877, 1217631, 1595191, 4785573, 5276401, 15829203, 68593213, 205779639]

約数ペア:

[(1, 205779639), (3, 68593213), (13, 15829203), (39, 5276401), (43, 4785573), (129, 1595191), (169, 1217631), (507, 405877), (559, 368121), (1677, 122707), (7267, 28317), (9439, 21801)]