780427881

素因数分解:

$3^2\times {\mathrm{23}}^3\times {\mathrm{7127}}^1$

素因数の和:7202

約数の個数: 24

約数和(自身を含む): 1178686080

約数和(自身を除く): 398258199

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 7127, 12167, 21381, 36501, 64143, 109503, 163921, 491763, 1475289, 3770183, 11310549, 33931647, 86714209, 260142627, 780427881]

約数ペア:

[(1, 780427881), (3, 260142627), (9, 86714209), (23, 33931647), (69, 11310549), (207, 3770183), (529, 1475289), (1587, 491763), (4761, 163921), (7127, 109503), (12167, 64143), (21381, 36501)]