28348305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 47775744

約数和(自身を除く): 19427439

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 647, 1905, 1941, 2921, 3235, 8763, 9705, 14605, 14881, 43815, 44643, 74405, 82169, 223215, 246507, 410845, 1232535, 1889887, 5669661, 9449435, 28348305]

約数ペア:

[(1, 28348305), (3, 9449435), (5, 5669661), (15, 1889887), (23, 1232535), (69, 410845), (115, 246507), (127, 223215), (345, 82169), (381, 74405), (635, 44643), (647, 43815), (1905, 14881), (1941, 14605), (2921, 9705), (3235, 8763)]