1621463139

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{2537501}}^1$

素因数の和:2537578

約数の個数: 12

約数和(自身を含む): 2375101872

約数和(自身を除く): 753638733

約数列:

[1, 3, 9, 71, 213, 639, 2537501, 7612503, 22837509, 180162571, 540487713, 1621463139]

約数ペア:

[(1, 1621463139), (3, 540487713), (9, 180162571), (71, 22837509), (213, 7612503), (639, 2537501)]