130888947

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{20707}}^1$

素因数の和:20767

約数の個数: 24

約数和(自身を含む): 207742656

約数和(自身を除く): 76853709

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 20707, 62121, 144949, 434847, 890401, 1014643, 2671203, 3043929, 6232807, 18698421, 43629649, 130888947]

約数ペア:

[(1, 130888947), (3, 43629649), (7, 18698421), (21, 6232807), (43, 3043929), (49, 2671203), (129, 1014643), (147, 890401), (301, 434847), (903, 144949), (2107, 62121), (6321, 20707)]