240621921

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{27763}}^1$

素因数の和:27882

約数の個数: 20

約数和(自身を含む): 362819952

約数和(自身を除く): 122198031

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 27763, 83289, 249867, 749601, 2248803, 2970641, 8911923, 26735769, 80207307, 240621921]

約数ペア:

[(1, 240621921), (3, 80207307), (9, 26735769), (27, 8911923), (81, 2970641), (107, 2248803), (321, 749601), (963, 249867), (2889, 83289), (8667, 27763)]