128511285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1213}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 235418880

約数和(自身を除く): 106907595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1009, 1213, 3027, 3639, 5045, 6065, 7063, 8491, 15135, 18195, 21189, 25473, 35315, 42455, 105945, 127365, 1223917, 3671751, 6119585, 8567419, 18358755, 25702257, 42837095, 128511285]

約数ペア:

[(1, 128511285), (3, 42837095), (5, 25702257), (7, 18358755), (15, 8567419), (21, 6119585), (35, 3671751), (105, 1223917), (1009, 127365), (1213, 105945), (3027, 42455), (3639, 35315), (5045, 25473), (6065, 21189), (7063, 18195), (8491, 15135)]