28557795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1289}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 52508160

約数和(自身を除く): 23950365

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 1055, 1289, 1477, 3165, 3867, 4431, 6445, 7385, 9023, 19335, 22155, 27069, 45115, 135345, 271979, 815937, 1359895, 1903853, 4079685, 5711559, 9519265, 28557795]

約数ペア:

[(1, 28557795), (3, 9519265), (5, 5711559), (7, 4079685), (15, 1903853), (21, 1359895), (35, 815937), (105, 271979), (211, 135345), (633, 45115), (1055, 27069), (1289, 22155), (1477, 19335), (3165, 9023), (3867, 7385), (4431, 6445)]