81997164

素因数分解:

$2^2\times 3^3\times {\mathrm{487}}^1\times {\mathrm{1559}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 213158400

約数和(自身を除く): 131161236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 487, 974, 1461, 1559, 1948, 2922, 3118, 4383, 4677, 5844, 6236, 8766, 9354, 13149, 14031, 17532, 18708, 26298, 28062, 42093, 52596, 56124, 84186, 168372, 759233, 1518466, 2277699, 3036932, 4555398, 6833097, 9110796, 13666194, 20499291, 27332388, 40998582, 81997164]

約数ペア:

[(1, 81997164), (2, 40998582), (3, 27332388), (4, 20499291), (6, 13666194), (9, 9110796), (12, 6833097), (18, 4555398), (27, 3036932), (36, 2277699), (54, 1518466), (108, 759233), (487, 168372), (974, 84186), (1461, 56124), (1559, 52596), (1948, 42093), (2922, 28062), (3118, 26298), (4383, 18708), (4677, 17532), (5844, 14031), (6236, 13149), (8766, 9354)]