1279078689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{17909}}^1$

素因数の和:18117

約数の個数: 32

約数和(自身を含む): 2063232000

約数和(自身を除く): 784153311

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1253, 3401, 3759, 10203, 17909, 23807, 53727, 71421, 125363, 340271, 376089, 1020813, 2381897, 3205711, 7145691, 9617133, 22439977, 60908509, 67319931, 182725527, 426359563, 1279078689]

約数ペア:

[(1, 1279078689), (3, 426359563), (7, 182725527), (19, 67319931), (21, 60908509), (57, 22439977), (133, 9617133), (179, 7145691), (399, 3205711), (537, 2381897), (1253, 1020813), (3401, 376089), (3759, 340271), (10203, 125363), (17909, 71421), (23807, 53727)]