56721777

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{1973}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 88877376

約数和(自身を除く): 32155599

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1369, 1973, 4107, 5919, 9583, 13811, 28749, 41433, 73001, 219003, 511007, 1533021, 2701037, 8103111, 18907259, 56721777]

約数ペア:

[(1, 56721777), (3, 18907259), (7, 8103111), (21, 2701037), (37, 1533021), (111, 511007), (259, 219003), (777, 73001), (1369, 41433), (1973, 28749), (4107, 13811), (5919, 9583)]