31118221

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 33305328

約数和(自身を除く): 2187107

約数列:

[1, 37, 41, 73, 281, 1517, 2701, 2993, 10397, 11521, 20513, 110741, 426277, 758981, 841033, 31118221]

約数ペア:

[(1, 31118221), (37, 841033), (41, 758981), (73, 426277), (281, 110741), (1517, 20513), (2701, 11521), (2993, 10397)]