31971591

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{5407}}^1$

素因数の和:5492

約数の個数: 20

約数和(自身を含む): 48423232

約数和(自身を除く): 16451641

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5407, 5913, 16221, 48663, 145989, 394711, 437967, 1184133, 3552399, 10657197, 31971591]

約数ペア:

[(1, 31971591), (3, 10657197), (9, 3552399), (27, 1184133), (73, 437967), (81, 394711), (219, 145989), (657, 48663), (1971, 16221), (5407, 5913)]