28562703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 44142336

約数和(自身を除く): 15579633

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 643, 663, 871, 1139, 1929, 2613, 3417, 8359, 10931, 14807, 25077, 32793, 43081, 44421, 129243, 142103, 426309, 560053, 732377, 1680159, 2197131, 9520901, 28562703]

約数ペア:

[(1, 28562703), (3, 9520901), (13, 2197131), (17, 1680159), (39, 732377), (51, 560053), (67, 426309), (201, 142103), (221, 129243), (643, 44421), (663, 43081), (871, 32793), (1139, 25077), (1929, 14807), (2613, 10931), (3417, 8359)]