28281615

素因数分解:

$3^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1447}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 45316608

約数和(自身を除く): 17034993

約数列:

[1, 3, 5, 15, 1303, 1447, 3909, 4341, 6515, 7235, 19545, 21705, 1885441, 5656323, 9427205, 28281615]

約数ペア:

[(1, 28281615), (3, 9427205), (5, 5656323), (15, 1885441), (1303, 21705), (1447, 19545), (3909, 7235), (4341, 6515)]