140038521

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{20269}}^1$

素因数の和:20333

約数の個数: 24

約数和(自身を含む): 221834880

約数和(自身を除く): 81796359

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 20269, 60807, 141883, 425649, 952643, 993181, 2857929, 2979543, 6668501, 20005503, 46679507, 140038521]

約数ペア:

[(1, 140038521), (3, 46679507), (7, 20005503), (21, 6668501), (47, 2979543), (49, 2857929), (141, 993181), (147, 952643), (329, 425649), (987, 141883), (2303, 60807), (6909, 20269)]