16661955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 29955744

約数和(自身を除く): 13293789

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 181, 255, 285, 323, 361, 543, 905, 969, 1083, 1615, 1805, 2715, 3077, 3439, 4845, 5415, 6137, 9231, 10317, 15385, 17195, 18411, 30685, 46155, 51585, 58463, 65341, 92055, 175389, 196023, 292315, 326705, 876945, 980115, 1110797, 3332391, 5553985, 16661955]

約数ペア:

[(1, 16661955), (3, 5553985), (5, 3332391), (15, 1110797), (17, 980115), (19, 876945), (51, 326705), (57, 292315), (85, 196023), (95, 175389), (181, 92055), (255, 65341), (285, 58463), (323, 51585), (361, 46155), (543, 30685), (905, 18411), (969, 17195), (1083, 15385), (1615, 10317), (1805, 9231), (2715, 6137), (3077, 5415), (3439, 4845)]