2080992081

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1\times {\mathrm{877}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 3361236864

約数和(自身を除く): 1280244783

約数列:

[1, 3, 7, 19, 21, 57, 133, 313, 361, 399, 877, 939, 1083, 2191, 2527, 2631, 5947, 6139, 6573, 7581, 16663, 17841, 18417, 41629, 49989, 112993, 116641, 124887, 274501, 316597, 338979, 349923, 790951, 823503, 949791, 1921507, 2216179, 2372853, 5215519, 5764521, 6648537, 15646557, 36508633, 99094861, 109525899, 297284583, 693664027, 2080992081]

約数ペア:

[(1, 2080992081), (3, 693664027), (7, 297284583), (19, 109525899), (21, 99094861), (57, 36508633), (133, 15646557), (313, 6648537), (361, 5764521), (399, 5215519), (877, 2372853), (939, 2216179), (1083, 1921507), (2191, 949791), (2527, 823503), (2631, 790951), (5947, 349923), (6139, 338979), (6573, 316597), (7581, 274501), (16663, 124887), (17841, 116641), (18417, 112993), (41629, 49989)]