280778751

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49757}}^1$

素因数の和:49796

約数の個数: 32

約数和(自身を含む): 477676800

約数和(自身を除く): 196898049

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5643, 49757, 149271, 447813, 547327, 945383, 1343439, 1641981, 2836149, 4925943, 8508447, 10399213, 14777829, 25525341, 31197639, 93592917, 280778751]

約数ペア:

[(1, 280778751), (3, 93592917), (9, 31197639), (11, 25525341), (19, 14777829), (27, 10399213), (33, 8508447), (57, 4925943), (99, 2836149), (171, 1641981), (209, 1343439), (297, 945383), (513, 547327), (627, 447813), (1881, 149271), (5643, 49757)]