28257135

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3701}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 45312480

約数和(自身を除く): 17055345

約数列:

[1, 3, 5, 15, 509, 1527, 2545, 3701, 7635, 11103, 18505, 55515, 1883809, 5651427, 9419045, 28257135]

約数ペア:

[(1, 28257135), (3, 9419045), (5, 5651427), (15, 1883809), (509, 55515), (1527, 18505), (2545, 11103), (3701, 7635)]