16649073

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 36

約数和(自身を含む): 29462160

約数和(自身を除く): 12813087

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1987, 2793, 5961, 8379, 13909, 17883, 37753, 41727, 97363, 113259, 125181, 264271, 292089, 339777, 792813, 876267, 1849897, 2378439, 5549691, 16649073]

約数ペア:

[(1, 16649073), (3, 5549691), (7, 2378439), (9, 1849897), (19, 876267), (21, 792813), (49, 339777), (57, 292089), (63, 264271), (133, 125181), (147, 113259), (171, 97363), (399, 41727), (441, 37753), (931, 17883), (1197, 13909), (1987, 8379), (2793, 5961)]