28539729

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55633}}^1$

素因数の和:55661

約数の個数: 16

約数和(自身を含む): 44507200

約数和(自身を除く): 15967471

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55633, 166899, 500697, 1057027, 1502091, 3171081, 9513243, 28539729]

約数ペア:

[(1, 28539729), (3, 9513243), (9, 3171081), (19, 1502091), (27, 1057027), (57, 500697), (171, 166899), (513, 55633)]