28109721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29009}}^1$

素因数の和:29048

約数の個数: 16

約数和(自身を含む): 41774400

約数和(自身を除く): 13664679

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 29009, 87027, 493153, 551171, 1479459, 1653513, 9369907, 28109721]

約数ペア:

[(1, 28109721), (3, 9369907), (17, 1653513), (19, 1479459), (51, 551171), (57, 493153), (323, 87027), (969, 29009)]