209220543

素因数分解:

$3^3\times 7^2\times {\mathrm{158141}}^1$

素因数の和:158164

約数の個数: 24

約数和(自身を含む): 360563760

約数和(自身を除く): 151343217

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 158141, 474423, 1106987, 1423269, 3320961, 4269807, 7748909, 9962883, 23246727, 29888649, 69740181, 209220543]

約数ペア:

[(1, 209220543), (3, 69740181), (7, 29888649), (9, 23246727), (21, 9962883), (27, 7748909), (49, 4269807), (63, 3320961), (147, 1423269), (189, 1106987), (441, 474423), (1323, 158141)]