31447299

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 50426880

約数和(自身を除く): 18979581

約数列:

[1, 3, 13, 19, 31, 37, 39, 57, 93, 111, 247, 403, 481, 589, 703, 741, 1147, 1209, 1369, 1443, 1767, 2109, 3441, 4107, 7657, 9139, 14911, 17797, 21793, 22971, 26011, 27417, 42439, 44733, 53391, 65379, 78033, 127317, 283309, 338143, 551707, 806341, 849927, 1014429, 1655121, 2419023, 10482433, 31447299]

約数ペア:

[(1, 31447299), (3, 10482433), (13, 2419023), (19, 1655121), (31, 1014429), (37, 849927), (39, 806341), (57, 551707), (93, 338143), (111, 283309), (247, 127317), (403, 78033), (481, 65379), (589, 53391), (703, 44733), (741, 42439), (1147, 27417), (1209, 26011), (1369, 22971), (1443, 21793), (1767, 17797), (2109, 14911), (3441, 9139), (4107, 7657)]