28761765

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 48919680

約数和(自身を除く): 20157915

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1787, 3219, 5361, 5365, 8935, 16095, 26805, 51823, 66119, 155469, 198357, 259115, 330595, 777345, 991785, 1917451, 5752353, 9587255, 28761765]

約数ペア:

[(1, 28761765), (3, 9587255), (5, 5752353), (15, 1917451), (29, 991785), (37, 777345), (87, 330595), (111, 259115), (145, 198357), (185, 155469), (435, 66119), (555, 51823), (1073, 26805), (1787, 16095), (3219, 8935), (5361, 5365)]