28072995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81371}}^1$

素因数の和:81402

約数の個数: 16

約数和(自身を含む): 46870272

約数和(自身を除く): 18797277

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81371, 244113, 406855, 1220565, 1871533, 5614599, 9357665, 28072995]

約数ペア:

[(1, 28072995), (3, 9357665), (5, 5614599), (15, 1871533), (23, 1220565), (69, 406855), (115, 244113), (345, 81371)]