28484043

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5237}}^1$

素因数の和:5291

約数の個数: 24

約数和(自身を含む): 45382032

約数和(自身を除く): 16897989

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5237, 5439, 15711, 36659, 109977, 193769, 256613, 581307, 769839, 1356383, 4069149, 9494681, 28484043]

約数ペア:

[(1, 28484043), (3, 9494681), (7, 4069149), (21, 1356383), (37, 769839), (49, 581307), (111, 256613), (147, 193769), (259, 109977), (777, 36659), (1813, 15711), (5237, 5439)]