505779957

素因数分解:

$3^5\times {\mathrm{647}}^1\times {\mathrm{3217}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 759036096

約数和(自身を除く): 253256139

約数列:

[1, 3, 9, 27, 81, 243, 647, 1941, 3217, 5823, 9651, 17469, 28953, 52407, 86859, 157221, 260577, 781731, 2081399, 6244197, 18732591, 56197773, 168593319, 505779957]

約数ペア:

[(1, 505779957), (3, 168593319), (9, 56197773), (27, 18732591), (81, 6244197), (243, 2081399), (647, 781731), (1941, 260577), (3217, 157221), (5823, 86859), (9651, 52407), (17469, 28953)]