290469207

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 483840000

約数和(自身を除く): 193370793

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 179, 249, 343, 399, 537, 581, 931, 1029, 1253, 1577, 1743, 2793, 3401, 3759, 4067, 4731, 6517, 8771, 10203, 11039, 12201, 14857, 19551, 23807, 26313, 28469, 33117, 44571, 61397, 71421, 77273, 85407, 103999, 166649, 184191, 231819, 282283, 311997, 499947, 540911, 727993, 846849, 1166543, 1622733, 1975981, 2183979, 3499629, 5095951, 5927943, 13831867, 15287853, 41495601, 96823069, 290469207]

約数ペア:

[(1, 290469207), (3, 96823069), (7, 41495601), (19, 15287853), (21, 13831867), (49, 5927943), (57, 5095951), (83, 3499629), (133, 2183979), (147, 1975981), (179, 1622733), (249, 1166543), (343, 846849), (399, 727993), (537, 540911), (581, 499947), (931, 311997), (1029, 282283), (1253, 231819), (1577, 184191), (1743, 166649), (2793, 103999), (3401, 85407), (3759, 77273), (4067, 71421), (4731, 61397), (6517, 44571), (8771, 33117), (10203, 28469), (11039, 26313), (12201, 23807), (14857, 19551)]