128763405

素因数分解:

$3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2213}}^1$

素因数の和:2658

約数の個数: 32

約数和(自身を含む): 229547520

約数和(自身を除く): 100784115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 431, 1293, 2155, 2213, 3879, 6465, 6639, 11065, 11637, 19395, 19917, 33195, 58185, 59751, 99585, 298755, 953803, 2861409, 4769015, 8584227, 14307045, 25752681, 42921135, 128763405]

約数ペア:

[(1, 128763405), (3, 42921135), (5, 25752681), (9, 14307045), (15, 8584227), (27, 4769015), (45, 2861409), (135, 953803), (431, 298755), (1293, 99585), (2155, 59751), (2213, 58185), (3879, 33195), (6465, 19917), (6639, 19395), (11065, 11637)]