155691423

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 245099520

約数和(自身を除く): 89408097

約数列:

[1, 3, 9, 17, 27, 51, 153, 431, 459, 787, 1293, 2361, 3879, 7083, 7327, 11637, 13379, 21249, 21981, 40137, 65943, 120411, 197829, 339197, 361233, 1017591, 3052773, 5766349, 9158319, 17299047, 51897141, 155691423]

約数ペア:

[(1, 155691423), (3, 51897141), (9, 17299047), (17, 9158319), (27, 5766349), (51, 3052773), (153, 1017591), (431, 361233), (459, 339197), (787, 197829), (1293, 120411), (2361, 65943), (3879, 40137), (7083, 21981), (7327, 21249), (11637, 13379)]