261738291

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{8419}}^1$

素因数の和:8706

約数の個数: 16

約数和(自身を含む): 358624640

約数和(自身を除く): 96886349

約数列:

[1, 3, 43, 129, 241, 723, 8419, 10363, 25257, 31089, 362017, 1086051, 2028979, 6086937, 87246097, 261738291]

約数ペア:

[(1, 261738291), (3, 87246097), (43, 6086937), (129, 2028979), (241, 1086051), (723, 362017), (8419, 31089), (10363, 25257)]