51570921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{12743}}^1$

素因数の和:12836

約数の個数: 16

約数和(自身を含む): 73405440

約数和(自身を除く): 21834519

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 12743, 38229, 242117, 726351, 904753, 2714259, 17190307, 51570921]

約数ペア:

[(1, 51570921), (3, 17190307), (19, 2714259), (57, 904753), (71, 726351), (213, 242117), (1349, 38229), (4047, 12743)]