201551889

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12289}}^1$

素因数の和:12381

約数の個数: 32

約数和(自身を含む): 339793920

約数和(自身を除く): 138242031

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 12289, 16401, 36867, 86023, 135179, 258069, 405537, 872519, 946253, 2617557, 2838759, 6107633, 9597709, 18322899, 28793127, 67183963, 201551889]

約数ペア:

[(1, 201551889), (3, 67183963), (7, 28793127), (11, 18322899), (21, 9597709), (33, 6107633), (71, 2838759), (77, 2617557), (213, 946253), (231, 872519), (497, 405537), (781, 258069), (1491, 135179), (2343, 86023), (5467, 36867), (12289, 16401)]