287989911

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19013}}^1$

素因数の和:19053

約数の個数: 40

約数和(自身を含む): 496949904

約数和(自身を除く): 208959993

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1683, 5049, 15147, 19013, 57039, 171117, 209143, 323221, 513351, 627429, 969663, 1540053, 1882287, 2908989, 3555431, 5646861, 8726967, 10666293, 16940583, 26180901, 31998879, 95996637, 287989911]

約数ペア:

[(1, 287989911), (3, 95996637), (9, 31998879), (11, 26180901), (17, 16940583), (27, 10666293), (33, 8726967), (51, 5646861), (81, 3555431), (99, 2908989), (153, 1882287), (187, 1540053), (297, 969663), (459, 627429), (561, 513351), (891, 323221), (1377, 209143), (1683, 171117), (5049, 57039), (15147, 19013)]