251018271

素因数分解:

$3^5\times 7^1\times {\mathrm{147571}}^1$

素因数の和:147593

約数の個数: 24

約数和(自身を含む): 429729664

約数和(自身を除く): 178711393

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 147571, 442713, 1032997, 1328139, 3098991, 3984417, 9296973, 11953251, 27890919, 35859753, 83672757, 251018271]

約数ペア:

[(1, 251018271), (3, 83672757), (7, 35859753), (9, 27890919), (21, 11953251), (27, 9296973), (63, 3984417), (81, 3098991), (189, 1328139), (243, 1032997), (567, 442713), (1701, 147571)]