84981987

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 132111360

約数和(自身を除く): 47129373

約数列:

[1, 3, 9, 23, 27, 69, 207, 281, 487, 621, 843, 1461, 2529, 4383, 6463, 7587, 11201, 13149, 19389, 33603, 58167, 100809, 136847, 174501, 302427, 410541, 1231623, 3147481, 3694869, 9442443, 28327329, 84981987]

約数ペア:

[(1, 84981987), (3, 28327329), (9, 9442443), (23, 3694869), (27, 3147481), (69, 1231623), (207, 410541), (281, 302427), (487, 174501), (621, 136847), (843, 100809), (1461, 58167), (2529, 33603), (4383, 19389), (6463, 13149), (7587, 11201)]