201731321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 233271360

約数和(自身を除く): 31540039

約数列:

[1, 11, 23, 121, 173, 253, 419, 1903, 2783, 3979, 4609, 9637, 20933, 43769, 50699, 72487, 106007, 481459, 797357, 1166077, 1667201, 8770927, 18339211, 201731321]

約数ペア:

[(1, 201731321), (11, 18339211), (23, 8770927), (121, 1667201), (173, 1166077), (253, 797357), (419, 481459), (1903, 106007), (2783, 72487), (3979, 50699), (4609, 43769), (9637, 20933)]