2821215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 4773168

約数和(自身を除く): 1951953

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 521, 1083, 1563, 1805, 2605, 5415, 7815, 9899, 29697, 49495, 148485, 188081, 564243, 940405, 2821215]

約数ペア:

[(1, 2821215), (3, 940405), (5, 564243), (15, 188081), (19, 148485), (57, 49495), (95, 29697), (285, 9899), (361, 7815), (521, 5415), (1083, 2605), (1563, 1805)]