221387907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{120779}}^1$

素因数の和:120842

約数の個数: 16

約数和(自身を含む): 324656640

約数和(自身を除く): 103268733

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 120779, 362337, 1570127, 4710381, 5676613, 17029839, 73795969, 221387907]

約数ペア:

[(1, 221387907), (3, 73795969), (13, 17029839), (39, 5676613), (47, 4710381), (141, 1570127), (611, 362337), (1833, 120779)]