31591449

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 47424000

約数和(自身を除く): 15832551

約数列:

[1, 3, 9, 31, 93, 199, 279, 569, 597, 1707, 1791, 5121, 6169, 17639, 18507, 52917, 55521, 113231, 158751, 339693, 1019079, 3510161, 10530483, 31591449]

約数ペア:

[(1, 31591449), (3, 10530483), (9, 3510161), (31, 1019079), (93, 339693), (199, 158751), (279, 113231), (569, 55521), (597, 52917), (1707, 18507), (1791, 17639), (5121, 6169)]