211292031

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 304128000

約数和(自身を除く): 92835969

約数列:

[1, 3, 17, 51, 109, 191, 199, 327, 573, 597, 1853, 3247, 3383, 5559, 9741, 10149, 20819, 21691, 38009, 62457, 65073, 114027, 353923, 368747, 646153, 1061769, 1106241, 1938459, 4142981, 12428943, 70430677, 211292031]

約数ペア:

[(1, 211292031), (3, 70430677), (17, 12428943), (51, 4142981), (109, 1938459), (191, 1106241), (199, 1061769), (327, 646153), (573, 368747), (597, 353923), (1853, 114027), (3247, 65073), (3383, 62457), (5559, 38009), (9741, 21691), (10149, 20819)]