27798855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 53526528

約数和(自身を除く): 25727673

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 47, 105, 129, 131, 141, 215, 235, 301, 329, 393, 645, 655, 705, 903, 917, 987, 1505, 1645, 1965, 2021, 2751, 4515, 4585, 4935, 5633, 6063, 6157, 10105, 13755, 14147, 16899, 18471, 28165, 30315, 30785, 39431, 42441, 43099, 70735, 84495, 92355, 118293, 129297, 197155, 212205, 215495, 264751, 591465, 646485, 794253, 1323755, 1853257, 3971265, 5559771, 9266285, 27798855]

約数ペア:

[(1, 27798855), (3, 9266285), (5, 5559771), (7, 3971265), (15, 1853257), (21, 1323755), (35, 794253), (43, 646485), (47, 591465), (105, 264751), (129, 215495), (131, 212205), (141, 197155), (215, 129297), (235, 118293), (301, 92355), (329, 84495), (393, 70735), (645, 43099), (655, 42441), (705, 39431), (903, 30785), (917, 30315), (987, 28165), (1505, 18471), (1645, 16899), (1965, 14147), (2021, 13755), (2751, 10105), (4515, 6157), (4585, 6063), (4935, 5633)]