28707345

素因数分解:

$3^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{631}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 51267840

約数和(自身を除く): 22560495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 337, 631, 1011, 1685, 1893, 3033, 3155, 5055, 5679, 9099, 9465, 15165, 17037, 28395, 45495, 85185, 212647, 637941, 1063235, 1913823, 3189705, 5741469, 9569115, 28707345]

約数ペア:

[(1, 28707345), (3, 9569115), (5, 5741469), (9, 3189705), (15, 1913823), (27, 1063235), (45, 637941), (135, 212647), (337, 85185), (631, 45495), (1011, 28395), (1685, 17037), (1893, 15165), (3033, 9465), (3155, 9099), (5055, 5679)]