205955217

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{617}}^1$

素因数の和:959

約数の個数: 40

約数和(自身を含む): 332911656

約数和(自身を除く): 126956439

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 317, 351, 617, 951, 1053, 1851, 2853, 4121, 5553, 8021, 8559, 12363, 16659, 24063, 25677, 37089, 49977, 72189, 111267, 195589, 216567, 333801, 586767, 649701, 1760301, 2542657, 5280903, 7627971, 15842709, 22883913, 68651739, 205955217]

約数ペア:

[(1, 205955217), (3, 68651739), (9, 22883913), (13, 15842709), (27, 7627971), (39, 5280903), (81, 2542657), (117, 1760301), (317, 649701), (351, 586767), (617, 333801), (951, 216567), (1053, 195589), (1851, 111267), (2853, 72189), (4121, 49977), (5553, 37089), (8021, 25677), (8559, 24063), (12363, 16659)]