31272689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3221}}^1$

素因数の和:3320

約数の個数: 16

約数和(自身を含む): 38148480

約数和(自身を除く): 6875791

約数列:

[1, 7, 19, 73, 133, 511, 1387, 3221, 9709, 22547, 61199, 235133, 428393, 1645931, 4467527, 31272689]

約数ペア:

[(1, 31272689), (7, 4467527), (19, 1645931), (73, 428393), (133, 235133), (511, 61199), (1387, 22547), (3221, 9709)]