28050813

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 47801600

約数和(自身を除く): 19750787

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 769, 1351, 1737, 2307, 4053, 5211, 5383, 6921, 12159, 16149, 20763, 36477, 48447, 145341, 148417, 445251, 1038919, 1335753, 3116757, 4007259, 9350271, 28050813]

約数ペア:

[(1, 28050813), (3, 9350271), (7, 4007259), (9, 3116757), (21, 1335753), (27, 1038919), (63, 445251), (189, 148417), (193, 145341), (579, 48447), (769, 36477), (1351, 20763), (1737, 16149), (2307, 12159), (4053, 6921), (5211, 5383)]