31778439

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2927}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 53968896

約数和(自身を除く): 22190457

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 2927, 3619, 8781, 10857, 20489, 32197, 61467, 96591, 137569, 225379, 412707, 676137, 962983, 1513259, 2888949, 4539777, 10592813, 31778439]

約数ペア:

[(1, 31778439), (3, 10592813), (7, 4539777), (11, 2888949), (21, 1513259), (33, 962983), (47, 676137), (77, 412707), (141, 225379), (231, 137569), (329, 96591), (517, 61467), (987, 32197), (1551, 20489), (2927, 10857), (3619, 8781)]