251159613

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{7481}}^1$

素因数の和:7553

約数の個数: 24

約数和(自身を含む): 364882176

約数和(自身を除く): 113722563

約数列:

[1, 3, 19, 31, 57, 93, 361, 589, 1083, 1767, 7481, 11191, 22443, 33573, 142139, 231911, 426417, 695733, 2700641, 4406309, 8101923, 13218927, 83719871, 251159613]

約数ペア:

[(1, 251159613), (3, 83719871), (19, 13218927), (31, 8101923), (57, 4406309), (93, 2700641), (361, 695733), (589, 426417), (1083, 231911), (1767, 142139), (7481, 33573), (11191, 22443)]