641247

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 16

約数和(自身を含む): 902880

約数和(自身を除く): 261633

約数列:

[1, 3, 37, 53, 109, 111, 159, 327, 1961, 4033, 5777, 5883, 12099, 17331, 213749, 641247]

約数ペア:

[(1, 641247), (3, 213749), (37, 17331), (53, 12099), (109, 5883), (111, 5777), (159, 4033), (327, 1961)]