78500907

素因数分解:

$3^6\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:694

約数の個数: 28

約数和(自身を含む): 118437480

約数和(自身を除く): 39936573

約数列:

[1, 3, 9, 27, 81, 243, 257, 419, 729, 771, 1257, 2313, 3771, 6939, 11313, 20817, 33939, 62451, 101817, 107683, 187353, 305451, 323049, 969147, 2907441, 8722323, 26166969, 78500907]

約数ペア:

[(1, 78500907), (3, 26166969), (9, 8722323), (27, 2907441), (81, 969147), (243, 323049), (257, 305451), (419, 187353), (729, 107683), (771, 101817), (1257, 62451), (2313, 33939), (3771, 20817), (6939, 11313)]