221239983

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 306703488

約数和(自身を除く): 85463505

約数列:

[1, 3, 37, 103, 111, 309, 523, 1369, 1569, 3811, 4107, 11433, 19351, 53869, 58053, 141007, 161607, 423021, 715987, 1993153, 2147961, 5979459, 73746661, 221239983]

約数ペア:

[(1, 221239983), (3, 73746661), (37, 5979459), (103, 2147961), (111, 1993153), (309, 715987), (523, 423021), (1369, 161607), (1569, 141007), (3811, 58053), (4107, 53869), (11433, 19351)]