1421939519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1420519}}^1$

素因数の和:1420550

約数の個数: 16

約数和(自身を含む): 1909178880

約数和(自身を除く): 487239361

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 1420519, 9943633, 15625709, 18466747, 109379963, 129267229, 203134217, 1421939519]

約数ペア:

[(1, 1421939519), (7, 203134217), (11, 129267229), (13, 109379963), (77, 18466747), (91, 15625709), (143, 9943633), (1001, 1420519)]