197719983

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{2063}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 298801152

約数和(自身を除く): 101081169

約数列:

[1, 3, 9, 23, 69, 207, 463, 1389, 2063, 4167, 6189, 10649, 18567, 31947, 47449, 95841, 142347, 427041, 955169, 2865507, 8596521, 21968887, 65906661, 197719983]

約数ペア:

[(1, 197719983), (3, 65906661), (9, 21968887), (23, 8596521), (69, 2865507), (207, 955169), (463, 427041), (1389, 142347), (2063, 95841), (4167, 47449), (6189, 31947), (10649, 18567)]