3456271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 4480000

約数和(自身を除く): 1023729

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1999, 13993, 25987, 37981, 181909, 265867, 493753, 3456271]

約数ペア:

[(1, 3456271), (7, 493753), (13, 265867), (19, 181909), (91, 37981), (133, 25987), (247, 13993), (1729, 1999)]