201018867

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 311910912

約数和(自身を除く): 110892045

約数列:

[1, 3, 7, 21, 107, 137, 321, 411, 653, 749, 959, 1959, 2247, 2877, 4571, 13713, 14659, 43977, 69871, 89461, 102613, 209613, 268383, 307839, 489097, 626227, 1467291, 1878681, 9572327, 28716981, 67006289, 201018867]

約数ペア:

[(1, 201018867), (3, 67006289), (7, 28716981), (21, 9572327), (107, 1878681), (137, 1467291), (321, 626227), (411, 489097), (653, 307839), (749, 268383), (959, 209613), (1959, 102613), (2247, 89461), (2877, 69871), (4571, 43977), (13713, 14659)]