490695219

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{23819}}^1$

素因数の和:23944

約数の個数: 32

約数和(自身を含む): 838464000

約数和(自身を除く): 347768781

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 20601, 23819, 71457, 166733, 214371, 500199, 643113, 1500597, 2596271, 4501791, 7788813, 18173897, 23366439, 54521691, 70099317, 163565073, 490695219]

約数ペア:

[(1, 490695219), (3, 163565073), (7, 70099317), (9, 54521691), (21, 23366439), (27, 18173897), (63, 7788813), (109, 4501791), (189, 2596271), (327, 1500597), (763, 643113), (981, 500199), (2289, 214371), (2943, 166733), (6867, 71457), (20601, 23819)]