28256895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33049}}^1$

素因数の和:33079

約数の個数: 24

約数和(自身を含む): 51558000

約数和(自身を除く): 23301105

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 33049, 99147, 165245, 297441, 495735, 627931, 1487205, 1883793, 3139655, 5651379, 9418965, 28256895]

約数ペア:

[(1, 28256895), (3, 9418965), (5, 5651379), (9, 3139655), (15, 1883793), (19, 1487205), (45, 627931), (57, 495735), (95, 297441), (171, 165245), (285, 99147), (855, 33049)]