31989771

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 50618880

約数和(自身を除く): 18629109

約数列:

[1, 3, 9, 11, 33, 99, 311, 933, 1039, 2799, 3117, 3421, 9351, 10263, 11429, 30789, 34287, 102861, 323129, 969387, 2908161, 3554419, 10663257, 31989771]

約数ペア:

[(1, 31989771), (3, 10663257), (9, 3554419), (11, 2908161), (33, 969387), (99, 323129), (311, 102861), (933, 34287), (1039, 30789), (2799, 11429), (3117, 10263), (3421, 9351)]