1277237889

素因数分解:

$3^6\times {\mathrm{547}}^1\times {\mathrm{3203}}^1$

素因数の和:3768

約数の個数: 28

約数和(自身を含む): 1919080656

約数和(自身を除く): 641842767

約数列:

[1, 3, 9, 27, 81, 243, 547, 729, 1641, 3203, 4923, 9609, 14769, 28827, 44307, 86481, 132921, 259443, 398763, 778329, 1752041, 2334987, 5256123, 15768369, 47305107, 141915321, 425745963, 1277237889]

約数ペア:

[(1, 1277237889), (3, 425745963), (9, 141915321), (27, 47305107), (81, 15768369), (243, 5256123), (547, 2334987), (729, 1752041), (1641, 778329), (3203, 398763), (4923, 259443), (9609, 132921), (14769, 86481), (28827, 44307)]