31890345

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20641}}^1$

素因数の和:20752

約数の個数: 16

約数和(自身を含む): 51522432

約数和(自身を除く): 19632087

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 20641, 61923, 103205, 309615, 2126023, 6378069, 10630115, 31890345]

約数ペア:

[(1, 31890345), (3, 10630115), (5, 6378069), (15, 2126023), (103, 309615), (309, 103205), (515, 61923), (1545, 20641)]