81997215

素因数分解:

$3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{30539}}^1$

素因数の和:30726

約数の個数: 16

約数和(自身を含む): 131932800

約数和(自身を除く): 49935585

約数列:

[1, 3, 5, 15, 179, 537, 895, 2685, 30539, 91617, 152695, 458085, 5466481, 16399443, 27332405, 81997215]

約数ペア:

[(1, 81997215), (3, 27332405), (5, 16399443), (15, 5466481), (179, 458085), (537, 152695), (895, 91617), (2685, 30539)]