290469501

素因数分解:

$3^2\times 7^2\times {\mathrm{709}}^1\times {\mathrm{929}}^1$

素因数の和:1658

約数の個数: 36

約数和(自身を含む): 489282300

約数和(自身を除く): 198812799

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 709, 929, 2127, 2787, 4963, 6381, 6503, 8361, 14889, 19509, 34741, 44667, 45521, 58527, 104223, 136563, 312669, 409689, 658661, 1975983, 4610627, 5927949, 13831881, 32274389, 41495643, 96823167, 290469501]

約数ペア:

[(1, 290469501), (3, 96823167), (7, 41495643), (9, 32274389), (21, 13831881), (49, 5927949), (63, 4610627), (147, 1975983), (441, 658661), (709, 409689), (929, 312669), (2127, 136563), (2787, 104223), (4963, 58527), (6381, 45521), (6503, 44667), (8361, 34741), (14889, 19509)]