17800003

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 20442240

約数和(自身を除く): 2642237

約数列:

[1, 13, 17, 221, 239, 337, 3107, 4063, 4381, 5729, 52819, 74477, 80543, 1047059, 1369231, 17800003]

約数ペア:

[(1, 17800003), (13, 1369231), (17, 1047059), (221, 80543), (239, 74477), (337, 52819), (3107, 5729), (4063, 4381)]