31781601

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 48144096

約数和(自身を除く): 16362495

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 2003, 5289, 6009, 15867, 18027, 82123, 86129, 246369, 258387, 739107, 775161, 3531289, 10593867, 31781601]

約数ペア:

[(1, 31781601), (3, 10593867), (9, 3531289), (41, 775161), (43, 739107), (123, 258387), (129, 246369), (369, 86129), (387, 82123), (1763, 18027), (2003, 15867), (5289, 6009)]