31331157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 49459200

約数和(自身を除く): 18128043

約数列:

[1, 3, 11, 13, 33, 39, 143, 199, 367, 429, 597, 1101, 2189, 2587, 4037, 4771, 6567, 7761, 12111, 14313, 28457, 52481, 73033, 85371, 157443, 219099, 803363, 949429, 2410089, 2848287, 10443719, 31331157]

約数ペア:

[(1, 31331157), (3, 10443719), (11, 2848287), (13, 2410089), (33, 949429), (39, 803363), (143, 219099), (199, 157443), (367, 85371), (429, 73033), (597, 52481), (1101, 28457), (2189, 14313), (2587, 12111), (4037, 7761), (4771, 6567)]