31886271

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 50503680

約数和(自身を除く): 18617409

約数列:

[1, 3, 9, 17, 27, 51, 127, 153, 381, 459, 547, 1143, 1641, 2159, 3429, 4923, 6477, 9299, 14769, 19431, 27897, 58293, 69469, 83691, 208407, 251073, 625221, 1180973, 1875663, 3542919, 10628757, 31886271]

約数ペア:

[(1, 31886271), (3, 10628757), (9, 3542919), (17, 1875663), (27, 1180973), (51, 625221), (127, 251073), (153, 208407), (381, 83691), (459, 69469), (547, 58293), (1143, 27897), (1641, 19431), (2159, 14769), (3429, 9299), (4923, 6477)]