28893813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38993}}^1$

素因数の和:39028

約数の個数: 16

約数和(自身を含む): 43673280

約数和(自身を除く): 14779467

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 38993, 116979, 506909, 740867, 1520727, 2222601, 9631271, 28893813]

約数ペア:

[(1, 28893813), (3, 9631271), (13, 2222601), (19, 1520727), (39, 740867), (57, 506909), (247, 116979), (741, 38993)]