28874721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2203}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 40941504

約数和(自身を除く): 12066783

約数列:

[1, 3, 17, 51, 257, 771, 2203, 4369, 6609, 13107, 37451, 112353, 566171, 1698513, 9624907, 28874721]

約数ペア:

[(1, 28874721), (3, 9624907), (17, 1698513), (51, 566171), (257, 112353), (771, 37451), (2203, 13107), (4369, 6609)]