207837819

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5471}}^1$

素因数の和:5557

約数の個数: 40

約数和(自身を含む): 360188928

約数和(自身を除く): 152351109

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 4221, 5427, 5471, 12663, 16413, 37989, 38297, 49239, 114891, 147717, 344673, 366557, 443151, 1034019, 1099671, 2565899, 3102057, 3299013, 7697697, 9897039, 23093091, 29691117, 69279273, 207837819]

約数ペア:

[(1, 207837819), (3, 69279273), (7, 29691117), (9, 23093091), (21, 9897039), (27, 7697697), (63, 3299013), (67, 3102057), (81, 2565899), (189, 1099671), (201, 1034019), (469, 443151), (567, 366557), (603, 344673), (1407, 147717), (1809, 114891), (4221, 49239), (5427, 38297), (5471, 37989), (12663, 16413)]