31326729

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2069}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 17757111

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2069, 2163, 5047, 6207, 14483, 15141, 43449, 101381, 213107, 304143, 639321, 1491749, 4475247, 10442243, 31326729]

約数ペア:

[(1, 31326729), (3, 10442243), (7, 4475247), (21, 1491749), (49, 639321), (103, 304143), (147, 213107), (309, 101381), (721, 43449), (2069, 15141), (2163, 14483), (5047, 6207)]