1538271

素因数分解:

$3^4\times 7^1\times {\mathrm{2713}}^1$

素因数の和:2732

約数の個数: 20

約数和(自身を含む): 2627152

約数和(自身を除く): 1088881

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2713, 8139, 18991, 24417, 56973, 73251, 170919, 219753, 512757, 1538271]

約数ペア:

[(1, 1538271), (3, 512757), (7, 219753), (9, 170919), (21, 73251), (27, 56973), (63, 24417), (81, 18991), (189, 8139), (567, 2713)]