638577993

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{120737}}^1$

素因数の和:120824

約数の個数: 16

約数和(自身を含む): 892495296

約数和(自身を除く): 253917303

約数列:

[1, 3, 41, 43, 123, 129, 1763, 5289, 120737, 362211, 4950217, 5191691, 14850651, 15575073, 212859331, 638577993]

約数ペア:

[(1, 638577993), (3, 212859331), (41, 15575073), (43, 14850651), (123, 5191691), (129, 4950217), (1763, 362211), (5289, 120737)]