1281154815

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{207811}}^1$

素因数の和:207959

約数の個数: 24

約数和(自身を含む): 2236888368

約数和(自身を除く): 955733553

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 207811, 623433, 1039055, 1870299, 3117165, 9351495, 28470107, 85410321, 142350535, 256230963, 427051605, 1281154815]

約数ペア:

[(1, 1281154815), (3, 427051605), (5, 256230963), (9, 142350535), (15, 85410321), (45, 28470107), (137, 9351495), (411, 3117165), (685, 1870299), (1233, 1039055), (2055, 623433), (6165, 207811)]