28028733

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12844

約数の個数: 16

約数和(自身を含む): 40493376

約数和(自身を除く): 12464643

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 12781, 38343, 217277, 549583, 651831, 1648749, 9342911, 28028733]

約数ペア:

[(1, 28028733), (3, 9342911), (17, 1648749), (43, 651831), (51, 549583), (129, 217277), (731, 38343), (2193, 12781)]