28677181

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 32886000

約数和(自身を除く): 4208819

約数列:

[1, 13, 17, 221, 289, 449, 3757, 4913, 5837, 7633, 63869, 99229, 129761, 1686893, 2205937, 28677181]

約数ペア:

[(1, 28677181), (13, 2205937), (17, 1686893), (221, 129761), (289, 99229), (449, 63869), (3757, 7633), (4913, 5837)]