211299711

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 343406304

約数和(自身を除く): 132106593

約数列:

[1, 3, 7, 21, 37, 49, 53, 111, 147, 159, 259, 371, 733, 777, 1113, 1813, 1961, 2199, 2597, 5131, 5439, 5883, 7791, 13727, 15393, 27121, 35917, 38849, 41181, 81363, 96089, 107751, 116547, 189847, 271943, 288267, 569541, 815829, 1328929, 1437413, 1903601, 3986787, 4312239, 5710803, 10061891, 30185673, 70433237, 211299711]

約数ペア:

[(1, 211299711), (3, 70433237), (7, 30185673), (21, 10061891), (37, 5710803), (49, 4312239), (53, 3986787), (111, 1903601), (147, 1437413), (159, 1328929), (259, 815829), (371, 569541), (733, 288267), (777, 271943), (1113, 189847), (1813, 116547), (1961, 107751), (2199, 96089), (2597, 81363), (5131, 41181), (5439, 38849), (5883, 35917), (7791, 27121), (13727, 15393)]