28271835

素因数分解:

$3^5\times 5^1\times {\mathrm{23269}}^1$

素因数の和:23289

約数の個数: 24

約数和(自身を含む): 50821680

約数和(自身を除く): 22549845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23269, 69807, 116345, 209421, 349035, 628263, 1047105, 1884789, 3141315, 5654367, 9423945, 28271835]

約数ペア:

[(1, 28271835), (3, 9423945), (5, 5654367), (9, 3141315), (15, 1884789), (27, 1047105), (45, 628263), (81, 349035), (135, 209421), (243, 116345), (405, 69807), (1215, 23269)]