78903315

素因数分解:

$3^6\times 5^1\times {\mathrm{21647}}^1$

素因数の和:21670

約数の個数: 28

約数和(自身を含む): 141967584

約数和(自身を除く): 63064269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 21647, 64941, 108235, 194823, 324705, 584469, 974115, 1753407, 2922345, 5260221, 8767035, 15780663, 26301105, 78903315]

約数ペア:

[(1, 78903315), (3, 26301105), (5, 15780663), (9, 8767035), (15, 5260221), (27, 2922345), (45, 1753407), (81, 974115), (135, 584469), (243, 324705), (405, 194823), (729, 108235), (1215, 64941), (3645, 21647)]