28302561

素因数分解:

$3^3\times 7^1\times {\mathrm{149749}}^1$

素因数の和:149765

約数の個数: 16

約数和(自身を含む): 47920000

約数和(自身を除く): 19617439

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 149749, 449247, 1048243, 1347741, 3144729, 4043223, 9434187, 28302561]

約数ペア:

[(1, 28302561), (3, 9434187), (7, 4043223), (9, 3144729), (21, 1347741), (27, 1048243), (63, 449247), (189, 149749)]