81943281

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{76511}}^1$

素因数の和:76541

約数の個数: 24

約数和(自身を含む): 143230464

約数和(自身を除く): 61287183

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 76511, 229533, 535577, 688599, 1300687, 1606731, 3902061, 4820193, 9104809, 11706183, 27314427, 81943281]

約数ペア:

[(1, 81943281), (3, 27314427), (7, 11706183), (9, 9104809), (17, 4820193), (21, 3902061), (51, 1606731), (63, 1300687), (119, 688599), (153, 535577), (357, 229533), (1071, 76511)]