201920055

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 125708745

約数列:

[1, 3, 5, 15, 157, 179, 471, 479, 537, 785, 895, 1437, 2355, 2395, 2685, 7185, 28103, 75203, 84309, 85741, 140515, 225609, 257223, 376015, 421545, 428705, 1128045, 1286115, 13461337, 40384011, 67306685, 201920055]

約数ペア:

[(1, 201920055), (3, 67306685), (5, 40384011), (15, 13461337), (157, 1286115), (179, 1128045), (471, 428705), (479, 421545), (537, 376015), (785, 257223), (895, 225609), (1437, 140515), (2355, 85741), (2395, 84309), (2685, 75203), (7185, 28103)]