2193191

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 3006864

約数和(自身を除く): 813673

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 313, 539, 637, 1001, 2191, 3443, 4069, 7007, 15337, 24101, 28483, 44759, 168707, 199381, 313313, 2193191]

約数ペア:

[(1, 2193191), (7, 313313), (11, 199381), (13, 168707), (49, 44759), (77, 28483), (91, 24101), (143, 15337), (313, 7007), (539, 4069), (637, 3443), (1001, 2191)]