1038888921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{9479}}^1$

素因数の和:9813

約数の個数: 32

約数和(自身を含む): 1681827840

約数和(自身を除く): 642938919

約数列:

[1, 3, 7, 17, 21, 51, 119, 307, 357, 921, 2149, 5219, 6447, 9479, 15657, 28437, 36533, 66353, 109599, 161143, 199059, 483429, 1128001, 2910053, 3384003, 8730159, 20370371, 49470901, 61111113, 148412703, 346296307, 1038888921]

約数ペア:

[(1, 1038888921), (3, 346296307), (7, 148412703), (17, 61111113), (21, 49470901), (51, 20370371), (119, 8730159), (307, 3384003), (357, 2910053), (921, 1128001), (2149, 483429), (5219, 199059), (6447, 161143), (9479, 109599), (15657, 66353), (28437, 36533)]