28978635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{275987}}^1$

素因数の和:276002

約数の個数: 16

約数和(自身を含む): 52989696

約数和(自身を除く): 24011061

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 275987, 827961, 1379935, 1931909, 4139805, 5795727, 9659545, 28978635]

約数ペア:

[(1, 28978635), (3, 9659545), (5, 5795727), (7, 4139805), (15, 1931909), (21, 1379935), (35, 827961), (105, 275987)]