26943021

素因数分解:

$3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 44613504

約数和(自身を除く): 17670483

約数列:

[1, 3, 7, 9, 21, 63, 647, 661, 1941, 1983, 4529, 4627, 5823, 5949, 13587, 13881, 40761, 41643, 427667, 1283001, 2993669, 3849003, 8981007, 26943021]

約数ペア:

[(1, 26943021), (3, 8981007), (7, 3849003), (9, 2993669), (21, 1283001), (63, 427667), (647, 41643), (661, 40761), (1941, 13881), (1983, 13587), (4529, 5949), (4627, 5823)]