128512215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219679}}^1$

素因数の和:219703

約数の個数: 24

約数和(自身を含む): 239890560

約数和(自身を除く): 111378345

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 219679, 659037, 1098395, 1977111, 2855827, 3295185, 8567481, 9885555, 14279135, 25702443, 42837405, 128512215]

約数ペア:

[(1, 128512215), (3, 42837405), (5, 25702443), (9, 14279135), (13, 9885555), (15, 8567481), (39, 3295185), (45, 2855827), (65, 1977111), (117, 1098395), (195, 659037), (585, 219679)]