89793081

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 159744000

約数和(自身を除く): 69950919

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 651, 713, 1449, 1953, 1999, 2139, 4991, 5997, 6417, 13993, 14973, 17991, 41979, 44919, 45977, 61969, 125937, 137931, 185907, 321839, 413793, 433783, 557721, 965517, 1301349, 1425287, 2896551, 3904047, 4275861, 9977009, 12827583, 29931027, 89793081]

約数ペア:

[(1, 89793081), (3, 29931027), (7, 12827583), (9, 9977009), (21, 4275861), (23, 3904047), (31, 2896551), (63, 1425287), (69, 1301349), (93, 965517), (161, 557721), (207, 433783), (217, 413793), (279, 321839), (483, 185907), (651, 137931), (713, 125937), (1449, 61969), (1953, 45977), (1999, 44919), (2139, 41979), (4991, 17991), (5997, 14973), (6417, 13993)]