201808989

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 330311124

約数和(自身を除く): 128502135

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 233, 289, 333, 459, 629, 699, 867, 999, 1377, 1887, 2097, 2601, 2997, 3961, 5661, 6291, 7803, 8621, 10693, 11883, 16983, 18873, 23409, 25863, 32079, 35649, 50949, 67337, 77589, 96237, 106947, 146557, 202011, 232767, 288711, 320841, 439671, 606033, 698301, 866133, 1319013, 1818099, 2491469, 3957039, 5454297, 7474407, 11871117, 22423221, 67269663, 201808989]

約数ペア:

[(1, 201808989), (3, 67269663), (9, 22423221), (17, 11871117), (27, 7474407), (37, 5454297), (51, 3957039), (81, 2491469), (111, 1818099), (153, 1319013), (233, 866133), (289, 698301), (333, 606033), (459, 439671), (629, 320841), (699, 288711), (867, 232767), (999, 202011), (1377, 146557), (1887, 106947), (2097, 96237), (2601, 77589), (2997, 67337), (3961, 50949), (5661, 35649), (6291, 32079), (7803, 25863), (8621, 23409), (10693, 18873), (11883, 16983)]