231542689

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 279495168

約数和(自身を除く): 47952479

約数列:

[1, 7, 31, 49, 217, 313, 487, 1519, 2191, 3409, 9703, 15097, 15337, 23863, 67921, 105679, 152431, 475447, 739753, 1067017, 4725361, 7469119, 33077527, 231542689]

約数ペア:

[(1, 231542689), (7, 33077527), (31, 7469119), (49, 4725361), (217, 1067017), (313, 739753), (487, 475447), (1519, 152431), (2191, 105679), (3409, 67921), (9703, 23863), (15097, 15337)]