28786791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 14551449

約数列:

[1, 3, 11, 33, 53, 109, 151, 159, 327, 453, 583, 1199, 1661, 1749, 3597, 4983, 5777, 8003, 16459, 17331, 24009, 49377, 63547, 88033, 181049, 190641, 264099, 543147, 872327, 2616981, 9595597, 28786791]

約数ペア:

[(1, 28786791), (3, 9595597), (11, 2616981), (33, 872327), (53, 543147), (109, 264099), (151, 190641), (159, 181049), (327, 88033), (453, 63547), (583, 49377), (1199, 24009), (1661, 17331), (1749, 16459), (3597, 8003), (4983, 5777)]