621541881

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{972679}}^1$

素因数の和:972756

約数の個数: 12

約数和(自身を含む): 910428480

約数和(自身を除く): 288886599

約数列:

[1, 3, 9, 71, 213, 639, 972679, 2918037, 8754111, 69060209, 207180627, 621541881]

約数ペア:

[(1, 621541881), (3, 207180627), (9, 69060209), (71, 8754111), (213, 2918037), (639, 972679)]