28556241

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25657}}^1$

素因数の和:25720

約数の個数: 16

約数和(自身を含む): 44337024

約数和(自身を除く): 15780783

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25657, 76971, 179599, 538797, 1359821, 4079463, 9518747, 28556241]

約数ペア:

[(1, 28556241), (3, 9518747), (7, 4079463), (21, 1359821), (53, 538797), (159, 179599), (371, 76971), (1113, 25657)]