388127961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{46723}}^1$

素因数の和:46813

約数の個数: 24

約数和(自身を含む): 612271296

約数和(自身を除く): 224143335

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 46723, 140169, 420507, 607399, 1822197, 3317333, 5466591, 9951999, 29855997, 43125329, 129375987, 388127961]

約数ペア:

[(1, 388127961), (3, 129375987), (9, 43125329), (13, 29855997), (39, 9951999), (71, 5466591), (117, 3317333), (213, 1822197), (639, 607399), (923, 420507), (2769, 140169), (8307, 46723)]