202121619

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 343504800

約数和(自身を除く): 141383181

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 357, 493, 609, 833, 1421, 1479, 2499, 2789, 3451, 4263, 8367, 10353, 19523, 24157, 47413, 58569, 72471, 80881, 136661, 142239, 242643, 331891, 409983, 566167, 995673, 1374977, 1698501, 2323237, 3963169, 4124931, 6969711, 9624839, 11889507, 28874517, 67373873, 202121619]

約数ペア:

[(1, 202121619), (3, 67373873), (7, 28874517), (17, 11889507), (21, 9624839), (29, 6969711), (49, 4124931), (51, 3963169), (87, 2323237), (119, 1698501), (147, 1374977), (203, 995673), (357, 566167), (493, 409983), (609, 331891), (833, 242643), (1421, 142239), (1479, 136661), (2499, 80881), (2789, 72471), (3451, 58569), (4263, 47413), (8367, 24157), (10353, 19523)]