261788571

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16631}}^1$

素因数の和:16704

約数の個数: 32

約数和(自身を含む): 431101440

約数和(自身を除く): 169312869

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1431, 1749, 5247, 15741, 16631, 49893, 149679, 182941, 449037, 548823, 881443, 1646469, 2644329, 4939407, 7932987, 9695873, 23798961, 29087619, 87262857, 261788571]

約数ペア:

[(1, 261788571), (3, 87262857), (9, 29087619), (11, 23798961), (27, 9695873), (33, 7932987), (53, 4939407), (99, 2644329), (159, 1646469), (297, 881443), (477, 548823), (583, 449037), (1431, 182941), (1749, 149679), (5247, 49893), (15741, 16631)]