2771321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 3394560

約数和(自身を除く): 623239

約数列:

[1, 7, 19, 67, 133, 311, 469, 1273, 2177, 5909, 8911, 20837, 41363, 145859, 395903, 2771321]

約数ペア:

[(1, 2771321), (7, 395903), (19, 145859), (67, 41363), (133, 20837), (311, 8911), (469, 5909), (1273, 2177)]