217550055

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 354461184

約数和(自身を除く): 136911129

約数列:

[1, 3, 5, 15, 83, 197, 249, 415, 591, 887, 985, 1245, 2661, 2955, 4435, 13305, 16351, 49053, 73621, 81755, 174739, 220863, 245265, 368105, 524217, 873695, 1104315, 2621085, 14503337, 43510011, 72516685, 217550055]

約数ペア:

[(1, 217550055), (3, 72516685), (5, 43510011), (15, 14503337), (83, 2621085), (197, 1104315), (249, 873695), (415, 524217), (591, 368105), (887, 245265), (985, 220863), (1245, 174739), (2661, 81755), (2955, 73621), (4435, 49053), (13305, 16351)]