42049821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 62954496

約数和(自身を除く): 20904675

約数列:

[1, 3, 11, 33, 71, 131, 137, 213, 393, 411, 781, 1441, 1507, 2343, 4323, 4521, 9301, 9727, 17947, 27903, 29181, 53841, 102311, 106997, 197417, 306933, 320991, 592251, 1274237, 3822711, 14016607, 42049821]

約数ペア:

[(1, 42049821), (3, 14016607), (11, 3822711), (33, 1274237), (71, 592251), (131, 320991), (137, 306933), (213, 197417), (393, 106997), (411, 102311), (781, 53841), (1441, 29181), (1507, 27903), (2343, 17947), (4323, 9727), (4521, 9301)]