5280774021

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{240571}}^1$

素因数の和:240854

約数の個数: 20

約数和(自身を含む): 7917705664

約数和(自身を除く): 2636931643

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 21951, 240571, 721713, 2165139, 6495417, 19486251, 65194741, 195584223, 586752669, 1760258007, 5280774021]

約数ペア:

[(1, 5280774021), (3, 1760258007), (9, 586752669), (27, 195584223), (81, 65194741), (271, 19486251), (813, 6495417), (2439, 2165139), (7317, 721713), (21951, 240571)]