28207515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{268643}}^1$

素因数の和:268658

約数の個数: 16

約数和(自身を含む): 51579648

約数和(自身を除く): 23372133

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 268643, 805929, 1343215, 1880501, 4029645, 5641503, 9402505, 28207515]

約数ペア:

[(1, 28207515), (3, 9402505), (5, 5641503), (7, 4029645), (15, 1880501), (21, 1343215), (35, 805929), (105, 268643)]