78562281

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{52691}}^1$

素因数の和:52772

約数の個数: 16

約数和(自身を含む): 121402368

約数和(自身を除く): 42840087

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 52691, 158073, 368837, 1106511, 3741061, 11223183, 26187427, 78562281]

約数ペア:

[(1, 78562281), (3, 26187427), (7, 11223183), (21, 3741061), (71, 1106511), (213, 368837), (497, 158073), (1491, 52691)]