1254089871

素因数分解:

$3^4\times {\mathrm{2221}}^1\times {\mathrm{6971}}^1$

素因数の和:9204

約数の個数: 20

約数和(自身を含む): 1874505864

約数和(自身を除く): 620415993

約数列:

[1, 3, 9, 27, 81, 2221, 6663, 6971, 19989, 20913, 59967, 62739, 179901, 188217, 564651, 15482591, 46447773, 139343319, 418029957, 1254089871]

約数ペア:

[(1, 1254089871), (3, 418029957), (9, 139343319), (27, 46447773), (81, 15482591), (2221, 564651), (6663, 188217), (6971, 179901), (19989, 62739), (20913, 59967)]