991268817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{11887}}^1$

素因数の和:11946

約数の個数: 48

約数和(自身を含む): 1739261952

約数和(自身を除く): 747993135

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 361, 399, 627, 1083, 1463, 2527, 3971, 4389, 7581, 11887, 11913, 27797, 35661, 83209, 83391, 130757, 225853, 249627, 392271, 677559, 915299, 1580971, 2484383, 2745897, 4291207, 4742913, 7453149, 12873621, 17390681, 30038449, 47203277, 52172043, 90115347, 141609831, 330422939, 991268817]

約数ペア:

[(1, 991268817), (3, 330422939), (7, 141609831), (11, 90115347), (19, 52172043), (21, 47203277), (33, 30038449), (57, 17390681), (77, 12873621), (133, 7453149), (209, 4742913), (231, 4291207), (361, 2745897), (399, 2484383), (627, 1580971), (1083, 915299), (1463, 677559), (2527, 392271), (3971, 249627), (4389, 225853), (7581, 130757), (11887, 83391), (11913, 83209), (27797, 35661)]