31871379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 17065581

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 969, 1061, 1581, 1767, 3183, 10013, 18037, 20159, 30039, 32891, 54111, 60477, 98673, 342703, 559147, 624929, 1028109, 1677441, 1874787, 10623793, 31871379]

約数ペア:

[(1, 31871379), (3, 10623793), (17, 1874787), (19, 1677441), (31, 1028109), (51, 624929), (57, 559147), (93, 342703), (323, 98673), (527, 60477), (589, 54111), (969, 32891), (1061, 30039), (1581, 20159), (1767, 18037), (3183, 10013)]