209969193

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 351895680

約数和(自身を除く): 141926487

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 289, 357, 493, 609, 867, 1193, 1479, 2023, 3451, 3579, 6069, 8351, 8381, 10353, 20281, 25053, 25143, 34597, 58667, 60843, 103791, 141967, 176001, 242179, 344777, 425901, 588149, 726537, 1034331, 1764447, 2413439, 4117043, 7240317, 9998533, 12351129, 29995599, 69989731, 209969193]

約数ペア:

[(1, 209969193), (3, 69989731), (7, 29995599), (17, 12351129), (21, 9998533), (29, 7240317), (51, 4117043), (87, 2413439), (119, 1764447), (203, 1034331), (289, 726537), (357, 588149), (493, 425901), (609, 344777), (867, 242179), (1193, 176001), (1479, 141967), (2023, 103791), (3451, 60843), (3579, 58667), (6069, 34597), (8351, 25143), (8381, 25053), (10353, 20281)]