123808509

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1951}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 195496704

約数和(自身を除く): 71688195

約数列:

[1, 3, 9, 11, 33, 99, 641, 1923, 1951, 5769, 5853, 7051, 17559, 21153, 21461, 63459, 64383, 193149, 1250591, 3751773, 11255319, 13756501, 41269503, 123808509]

約数ペア:

[(1, 123808509), (3, 41269503), (9, 13756501), (11, 11255319), (33, 3751773), (99, 1250591), (641, 193149), (1923, 64383), (1951, 63459), (5769, 21461), (5853, 21153), (7051, 17559)]