209217519

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{13337}}^1$

素因数の和:13436

約数の個数: 32

約数和(自身を含む): 358525440

約数和(自身を除く): 149307921

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 5229, 13337, 15687, 40011, 93359, 120033, 280077, 360099, 840231, 1106971, 2520693, 3320913, 7748797, 9962739, 23246391, 29888217, 69739173, 209217519]

約数ペア:

[(1, 209217519), (3, 69739173), (7, 29888217), (9, 23246391), (21, 9962739), (27, 7748797), (63, 3320913), (83, 2520693), (189, 1106971), (249, 840231), (581, 360099), (747, 280077), (1743, 120033), (2241, 93359), (5229, 40011), (13337, 15687)]