2115105

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 3511872

約数和(自身を除く): 1396767

約数列:

[1, 3, 5, 15, 37, 103, 111, 185, 309, 515, 555, 1369, 1545, 3811, 4107, 6845, 11433, 19055, 20535, 57165, 141007, 423021, 705035, 2115105]

約数ペア:

[(1, 2115105), (3, 705035), (5, 423021), (15, 141007), (37, 57165), (103, 20535), (111, 19055), (185, 11433), (309, 6845), (515, 4107), (555, 3811), (1369, 1545)]