28503609

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 38955840

約数和(自身を除く): 10452231

約数列:

[1, 3, 67, 109, 201, 327, 1301, 3903, 7303, 21909, 87167, 141809, 261501, 425427, 9501203, 28503609]

約数ペア:

[(1, 28503609), (3, 9501203), (67, 425427), (109, 261501), (201, 141809), (327, 87167), (1301, 21909), (3903, 7303)]