28947141

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 44627544

約数和(自身を除く): 15680403

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 1381, 2329, 4143, 6987, 12429, 20961, 23477, 70431, 189197, 211293, 567591, 1702773, 3216349, 9649047, 28947141]

約数ペア:

[(1, 28947141), (3, 9649047), (9, 3216349), (17, 1702773), (51, 567591), (137, 211293), (153, 189197), (411, 70431), (1233, 23477), (1381, 20961), (2329, 12429), (4143, 6987)]