28278135

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6101}}^1$

素因数の和:6215

約数の個数: 24

約数和(自身を含む): 49499424

約数和(自身を除く): 21221289

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 6101, 18303, 30505, 54909, 91515, 274545, 628403, 1885209, 3142015, 5655627, 9426045, 28278135]

約数ペア:

[(1, 28278135), (3, 9426045), (5, 5655627), (9, 3142015), (15, 1885209), (45, 628403), (103, 274545), (309, 91515), (515, 54909), (927, 30505), (1545, 18303), (4635, 6101)]