211284009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{6469}}^1$

素因数の和:6685

約数の個数: 24

約数和(自身を含む): 322982400

約数和(自身を除く): 111698391

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 1719, 3629, 6469, 10887, 19407, 32661, 58221, 122911, 368733, 1106199, 1235579, 3706737, 11120211, 23476001, 70428003, 211284009]

約数ペア:

[(1, 211284009), (3, 70428003), (9, 23476001), (19, 11120211), (57, 3706737), (171, 1235579), (191, 1106199), (573, 368733), (1719, 122911), (3629, 58221), (6469, 32661), (10887, 19407)]