28338609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42743}}^1$

素因数の和:42776

約数の個数: 16

約数和(自身を含む): 43085952

約数和(自身を除く): 14747343

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42743, 128229, 555659, 726631, 1666977, 2179893, 9446203, 28338609]

約数ペア:

[(1, 28338609), (3, 9446203), (13, 2179893), (17, 1666977), (39, 726631), (51, 555659), (221, 128229), (663, 42743)]