201720904105

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28391401}}^1$

素因数の和:28391449

約数の個数: 24

約数和(自身を含む): 291295784520

約数和(自身を除く): 89574880415

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 28391401, 141957005, 198739807, 823350629, 993699035, 1391178649, 4116753145, 5763454403, 6955893245, 28817272015, 40344180821, 201720904105]

約数ペア:

[(1, 201720904105), (5, 40344180821), (7, 28817272015), (29, 6955893245), (35, 5763454403), (49, 4116753145), (145, 1391178649), (203, 993699035), (245, 823350629), (1015, 198739807), (1421, 141957005), (7105, 28391401)]