2639215287

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{20431}}^1$

素因数の和:20931

約数の個数: 24

約数和(自身を含む): 3943866368

約数和(自身を除く): 1304651081

約数列:

[1, 3, 9, 31, 93, 279, 463, 1389, 4167, 14353, 20431, 43059, 61293, 129177, 183879, 633361, 1900083, 5700249, 9459553, 28378659, 85135977, 293246143, 879738429, 2639215287]

約数ペア:

[(1, 2639215287), (3, 879738429), (9, 293246143), (31, 85135977), (93, 28378659), (279, 9459553), (463, 5700249), (1389, 1900083), (4167, 633361), (14353, 183879), (20431, 129177), (43059, 61293)]