28000973

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 37895424

約数和(自身を除く): 9894451

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2543, 11011, 17801, 27973, 33059, 195811, 231413, 307703, 363649, 2153921, 2545543, 4000139, 28000973]

約数ペア:

[(1, 28000973), (7, 4000139), (11, 2545543), (13, 2153921), (77, 363649), (91, 307703), (121, 231413), (143, 195811), (847, 33059), (1001, 27973), (1573, 17801), (2543, 11011)]