208222581

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1889}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 330220800

約数和(自身を除く): 121998219

約数列:

[1, 3, 7, 21, 29, 87, 181, 203, 543, 609, 1267, 1889, 3801, 5249, 5667, 13223, 15747, 36743, 39669, 54781, 110229, 164343, 341909, 383467, 1025727, 1150401, 2393363, 7180089, 9915361, 29746083, 69407527, 208222581]

約数ペア:

[(1, 208222581), (3, 69407527), (7, 29746083), (21, 9915361), (29, 7180089), (87, 2393363), (181, 1150401), (203, 1025727), (543, 383467), (609, 341909), (1267, 164343), (1889, 110229), (3801, 54781), (5249, 39669), (5667, 36743), (13223, 15747)]