28356765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1823}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 20497251

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1823, 3111, 5185, 5469, 9115, 15555, 27345, 30991, 92973, 111203, 154955, 333609, 464865, 556015, 1668045, 1890451, 5671353, 9452255, 28356765]

約数ペア:

[(1, 28356765), (3, 9452255), (5, 5671353), (15, 1890451), (17, 1668045), (51, 556015), (61, 464865), (85, 333609), (183, 154955), (255, 111203), (305, 92973), (915, 30991), (1037, 27345), (1823, 15555), (3111, 9115), (5185, 5469)]