1215706077

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{405641}}^1$

素因数の和:405690

約数の個数: 20

約数和(自身を含む): 1865141916

約数和(自身を除く): 649435839

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 405641, 1216923, 3650769, 10952307, 15008717, 32856921, 45026151, 135078453, 405235359, 1215706077]

約数ペア:

[(1, 1215706077), (3, 405235359), (9, 135078453), (27, 45026151), (37, 32856921), (81, 15008717), (111, 10952307), (333, 3650769), (999, 1216923), (2997, 405641)]