628289901

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{4943}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 940942080

約数和(自身を除く): 312652179

約数列:

[1, 3, 9, 29, 87, 261, 487, 1461, 4383, 4943, 14123, 14829, 42369, 44487, 127107, 143347, 430041, 1290123, 2407241, 7221723, 21665169, 69809989, 209429967, 628289901]

約数ペア:

[(1, 628289901), (3, 209429967), (9, 69809989), (29, 21665169), (87, 7221723), (261, 2407241), (487, 1290123), (1461, 430041), (4383, 143347), (4943, 127107), (14123, 44487), (14829, 42369)]