28688127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10979}}^1$

素因数の和:11062

約数の個数: 16

約数和(自身を含む): 41811840

約数和(自身を除く): 13123713

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 10979, 32937, 142727, 428181, 735593, 2206779, 9562709, 28688127]

約数ペア:

[(1, 28688127), (3, 9562709), (13, 2206779), (39, 735593), (67, 428181), (201, 142727), (871, 32937), (2613, 10979)]