576639

素因数分解:

$3^6\times 7^1\times {\mathrm{113}}^1$

素因数の和:138

約数の個数: 28

約数和(自身を含む): 996816

約数和(自身を除く): 420177

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 189, 243, 339, 567, 729, 791, 1017, 1701, 2373, 3051, 5103, 7119, 9153, 21357, 27459, 64071, 82377, 192213, 576639]

約数ペア:

[(1, 576639), (3, 192213), (7, 82377), (9, 64071), (21, 27459), (27, 21357), (63, 9153), (81, 7119), (113, 5103), (189, 3051), (243, 2373), (339, 1701), (567, 1017), (729, 791)]