205497621

素因数分解:

$3^3\times 7^2\times {\mathrm{155327}}^1$

素因数の和:155350

約数の個数: 24

約数和(自身を含む): 354147840

約数和(自身を除く): 148650219

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 155327, 465981, 1087289, 1397943, 3261867, 4193829, 7611023, 9785601, 22833069, 29356803, 68499207, 205497621]

約数ペア:

[(1, 205497621), (3, 68499207), (7, 29356803), (9, 22833069), (21, 9785601), (27, 7611023), (49, 4193829), (63, 3261867), (147, 1397943), (189, 1087289), (441, 465981), (1323, 155327)]