2649789

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 4036032

約数和(自身を除く): 1386243

約数列:

[1, 3, 9, 41, 43, 123, 129, 167, 369, 387, 501, 1503, 1763, 5289, 6847, 7181, 15867, 20541, 21543, 61623, 64629, 294421, 883263, 2649789]

約数ペア:

[(1, 2649789), (3, 883263), (9, 294421), (41, 64629), (43, 61623), (123, 21543), (129, 20541), (167, 15867), (369, 7181), (387, 6847), (501, 5289), (1503, 1763)]