28884681

素因数分解:

$3^5\times 7^1\times {\mathrm{16981}}^1$

素因数の和:17003

約数の個数: 24

約数和(自身を含む): 49451584

約数和(自身を除く): 20566903

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16981, 50943, 118867, 152829, 356601, 458487, 1069803, 1375461, 3209409, 4126383, 9628227, 28884681]

約数ペア:

[(1, 28884681), (3, 9628227), (7, 4126383), (9, 3209409), (21, 1375461), (27, 1069803), (63, 458487), (81, 356601), (189, 152829), (243, 118867), (567, 50943), (1701, 16981)]