2019790521

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{29879}}^1$

素因数の和:29958

約数の個数: 48

約数和(自身を含む): 3542572800

約数和(自身を除く): 1522782279

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 609, 777, 1073, 1827, 2331, 3219, 7511, 9657, 22533, 29879, 67599, 89637, 209153, 268911, 627459, 866491, 1105523, 1882377, 2599473, 3316569, 6065437, 7738661, 7798419, 9949707, 18196311, 23215983, 32060167, 54588933, 69647949, 96180501, 224421169, 288541503, 673263507, 2019790521]

約数ペア:

[(1, 2019790521), (3, 673263507), (7, 288541503), (9, 224421169), (21, 96180501), (29, 69647949), (37, 54588933), (63, 32060167), (87, 23215983), (111, 18196311), (203, 9949707), (259, 7798419), (261, 7738661), (333, 6065437), (609, 3316569), (777, 2599473), (1073, 1882377), (1827, 1105523), (2331, 866491), (3219, 627459), (7511, 268911), (9657, 209153), (22533, 89637), (29879, 67599)]