208572021

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{56113}}^1$

素因数の和:56185

約数の個数: 24

約数和(自身を含む): 350151360

約数和(自身を除く): 141579339

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 56113, 168339, 392791, 505017, 1178373, 3310667, 3535119, 9932001, 23174669, 29796003, 69524007, 208572021]

約数ペア:

[(1, 208572021), (3, 69524007), (7, 29796003), (9, 23174669), (21, 9932001), (59, 3535119), (63, 3310667), (177, 1178373), (413, 505017), (531, 392791), (1239, 168339), (3717, 56113)]