31887141

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 18432219

約数列:

[1, 3, 11, 13, 33, 39, 143, 239, 311, 429, 717, 933, 2629, 3107, 3421, 4043, 7887, 9321, 10263, 12129, 34177, 44473, 74329, 102531, 133419, 222987, 817619, 966277, 2452857, 2898831, 10629047, 31887141]

約数ペア:

[(1, 31887141), (3, 10629047), (11, 2898831), (13, 2452857), (33, 966277), (39, 817619), (143, 222987), (239, 133419), (311, 102531), (429, 74329), (717, 44473), (933, 34177), (2629, 12129), (3107, 10263), (3421, 9321), (4043, 7887)]