28980393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43711}}^1$

素因数の和:43744

約数の個数: 16

約数和(自身を含む): 44061696

約数和(自身を除く): 15081303

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 43711, 131133, 568243, 743087, 1704729, 2229261, 9660131, 28980393]

約数ペア:

[(1, 28980393), (3, 9660131), (13, 2229261), (17, 1704729), (39, 743087), (51, 568243), (221, 131133), (663, 43711)]