28018731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19417}}^1$

素因数の和:19470

約数の個数: 16

約数和(自身を含む): 41321504

約数和(自身を除く): 13302773

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19417, 58251, 252421, 718429, 757263, 2155287, 9339577, 28018731]

約数ペア:

[(1, 28018731), (3, 9339577), (13, 2155287), (37, 757263), (39, 718429), (111, 252421), (481, 58251), (1443, 19417)]