128210943

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{210527}}^1$

素因数の和:210566

約数の個数: 16

約数和(自身を含む): 202106880

約数和(自身を除く): 73895937

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 210527, 631581, 1473689, 4421067, 6105283, 18315849, 42736981, 128210943]

約数ペア:

[(1, 128210943), (3, 42736981), (7, 18315849), (21, 6105283), (29, 4421067), (87, 1473689), (203, 631581), (609, 210527)]