12881297

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 16087680

約数和(自身を除く): 3206383

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 431, 1573, 2299, 2717, 4741, 5603, 8189, 29887, 52151, 61633, 90079, 106457, 677963, 990869, 1171027, 12881297]

約数ペア:

[(1, 12881297), (11, 1171027), (13, 990869), (19, 677963), (121, 106457), (143, 90079), (209, 61633), (247, 52151), (431, 29887), (1573, 8189), (2299, 5603), (2717, 4741)]