18560085

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 12260523

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 293, 309, 515, 615, 879, 1465, 1545, 4223, 4395, 12013, 12669, 21115, 30179, 36039, 60065, 63345, 90537, 150895, 180195, 452685, 1237339, 3712017, 6186695, 18560085]

約数ペア:

[(1, 18560085), (3, 6186695), (5, 3712017), (15, 1237339), (41, 452685), (103, 180195), (123, 150895), (205, 90537), (293, 63345), (309, 60065), (515, 36039), (615, 30179), (879, 21115), (1465, 12669), (1545, 12013), (4223, 4395)]