28901985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 53057280

約数和(自身を除く): 24155295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 409, 673, 1227, 2019, 2045, 2863, 3365, 4711, 6135, 8589, 10095, 14133, 14315, 23555, 42945, 70665, 275257, 825771, 1376285, 1926799, 4128855, 5780397, 9633995, 28901985]

約数ペア:

[(1, 28901985), (3, 9633995), (5, 5780397), (7, 4128855), (15, 1926799), (21, 1376285), (35, 825771), (105, 275257), (409, 70665), (673, 42945), (1227, 23555), (2019, 14315), (2045, 14133), (2863, 10095), (3365, 8589), (4711, 6135)]