28709031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10987}}^1$

素因数の和:11070

約数の個数: 16

約数和(自身を含む): 41842304

約数和(自身を除く): 13133273

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 10987, 32961, 142831, 428493, 736129, 2208387, 9569677, 28709031]

約数ペア:

[(1, 28709031), (3, 9569677), (13, 2208387), (39, 736129), (67, 428493), (201, 142831), (871, 32961), (2613, 10987)]