7130781

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1301}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 12499200

約数和(自身を除く): 5368419

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1301, 1827, 3903, 5481, 9107, 11709, 27321, 35127, 37729, 81963, 113187, 245889, 264103, 339561, 792309, 1018683, 2376927, 7130781]

約数ペア:

[(1, 7130781), (3, 2376927), (7, 1018683), (9, 792309), (21, 339561), (27, 264103), (29, 245889), (63, 113187), (87, 81963), (189, 37729), (203, 35127), (261, 27321), (609, 11709), (783, 9107), (1301, 5481), (1827, 3903)]