518001561

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 1014936384

約数和(自身を除く): 496934823

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 157, 161, 189, 207, 231, 253, 297, 471, 483, 529, 567, 621, 693, 759, 891, 1099, 1413, 1449, 1587, 1727, 1771, 1863, 2079, 2277, 3297, 3611, 3703, 4239, 4347, 4761, 5181, 5313, 5819, 6237, 6831, 9891, 10833, 11109, 12089, 12717, 13041, 14283, 15543, 15939, 17457, 20493, 25277, 29673, 32499, 33327, 36267, 39721, 40733, 42849, 46629, 47817, 52371, 75831, 83053, 89019, 97497, 99981, 108801, 119163, 122199, 139887, 143451, 157113, 227493, 249159, 278047, 292491, 299943, 326403, 357489, 366597, 471339, 581371, 682479, 747477, 834141, 913583, 979209, 1072467, 1099791, 1744113, 2047437, 2242431, 2502423, 2740749, 3217401, 3299373, 5232339, 6395081, 6727293, 7507269, 8222247, 15697017, 19185243, 22521807, 24666741, 47091051, 57555729, 74000223, 172667187, 518001561]

約数ペア:

[(1, 518001561), (3, 172667187), (7, 74000223), (9, 57555729), (11, 47091051), (21, 24666741), (23, 22521807), (27, 19185243), (33, 15697017), (63, 8222247), (69, 7507269), (77, 6727293), (81, 6395081), (99, 5232339), (157, 3299373), (161, 3217401), (189, 2740749), (207, 2502423), (231, 2242431), (253, 2047437), (297, 1744113), (471, 1099791), (483, 1072467), (529, 979209), (567, 913583), (621, 834141), (693, 747477), (759, 682479), (891, 581371), (1099, 471339), (1413, 366597), (1449, 357489), (1587, 326403), (1727, 299943), (1771, 292491), (1863, 278047), (2079, 249159), (2277, 227493), (3297, 157113), (3611, 143451), (3703, 139887), (4239, 122199), (4347, 119163), (4761, 108801), (5181, 99981), (5313, 97497), (5819, 89019), (6237, 83053), (6831, 75831), (9891, 52371), (10833, 47817), (11109, 46629), (12089, 42849), (12717, 40733), (13041, 39721), (14283, 36267), (15543, 33327), (15939, 32499), (17457, 29673), (20493, 25277)]