90243447

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{21169}}^1$

素因数の和:21215

約数の個数: 24

約数和(自身を含む): 144802800

約数和(自身を除く): 54559353

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 21169, 63507, 148183, 444549, 613901, 1037281, 1841703, 3111843, 4297307, 12891921, 30081149, 90243447]

約数ペア:

[(1, 90243447), (3, 30081149), (7, 12891921), (21, 4297307), (29, 3111843), (49, 1841703), (87, 1037281), (147, 613901), (203, 444549), (609, 148183), (1421, 63507), (4263, 21169)]