201990393

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 340015104

約数和(自身を除く): 138024711

約数列:

[1, 3, 9, 11, 23, 33, 43, 69, 99, 129, 207, 253, 387, 473, 759, 989, 1419, 2063, 2277, 2967, 4257, 6189, 8901, 10879, 18567, 22693, 32637, 47449, 68079, 88709, 97911, 142347, 204237, 266127, 427041, 521939, 798381, 975799, 1565817, 2040307, 2927397, 4697451, 6120921, 8782191, 18362763, 22443377, 67330131, 201990393]

約数ペア:

[(1, 201990393), (3, 67330131), (9, 22443377), (11, 18362763), (23, 8782191), (33, 6120921), (43, 4697451), (69, 2927397), (99, 2040307), (129, 1565817), (207, 975799), (253, 798381), (387, 521939), (473, 427041), (759, 266127), (989, 204237), (1419, 142347), (2063, 97911), (2277, 88709), (2967, 68079), (4257, 47449), (6189, 32637), (8901, 22693), (10879, 18567)]