207905817

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{230239}}^1$

素因数の和:230292

約数の個数: 16

約数和(自身を含む): 324177920

約数和(自身を除く): 116272103

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 230239, 690717, 1611673, 4835019, 9900277, 29700831, 69301939, 207905817]

約数ペア:

[(1, 207905817), (3, 69301939), (7, 29700831), (21, 9900277), (43, 4835019), (129, 1611673), (301, 690717), (903, 230239)]