131279547

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{22247}}^1$

素因数の和:22538

約数の個数: 16

約数和(自身を含む): 200765952

約数和(自身を除く): 69486405

約数列:

[1, 3, 7, 21, 281, 843, 1967, 5901, 22247, 66741, 155729, 467187, 6251407, 18754221, 43759849, 131279547]

約数ペア:

[(1, 131279547), (3, 43759849), (7, 18754221), (21, 6251407), (281, 467187), (843, 155729), (1967, 66741), (5901, 22247)]