81239427

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9127}}^1$

素因数の和:9199

約数の個数: 24

約数和(自身を含む): 125309184

約数和(自身を除く): 44069757

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 9127, 27381, 82143, 209921, 392461, 629763, 1177383, 1889289, 3532149, 9026603, 27079809, 81239427]

約数ペア:

[(1, 81239427), (3, 27079809), (9, 9026603), (23, 3532149), (43, 1889289), (69, 1177383), (129, 629763), (207, 392461), (387, 209921), (989, 82143), (2967, 27381), (8901, 9127)]