81631143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28433}}^1$

素因数の和:28479

約数の個数: 24

約数和(自身を含む): 133071120

約数和(自身を除く): 51439977

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 28433, 85299, 255897, 312763, 824557, 938289, 2473671, 2814867, 7421013, 9070127, 27210381, 81631143]

約数ペア:

[(1, 81631143), (3, 27210381), (9, 9070127), (11, 7421013), (29, 2814867), (33, 2473671), (87, 938289), (99, 824557), (261, 312763), (319, 255897), (957, 85299), (2871, 28433)]