214620921

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{24763}}^1$

素因数の和:24882

約数の個数: 20

約数和(自身を含む): 323615952

約数和(自身を除く): 108995031

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 24763, 74289, 222867, 668601, 2005803, 2649641, 7948923, 23846769, 71540307, 214620921]

約数ペア:

[(1, 214620921), (3, 71540307), (9, 23846769), (27, 7948923), (81, 2649641), (107, 2005803), (321, 668601), (963, 222867), (2889, 74289), (8667, 24763)]