261874431

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2011}}^1$

素因数の和:2093

約数の個数: 64

約数和(自身を含む): 486743040

約数和(自身を除く): 224868609

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 63, 91, 117, 159, 189, 273, 351, 371, 477, 689, 819, 1113, 1431, 2011, 2067, 2457, 3339, 4823, 6033, 6201, 10017, 14077, 14469, 18099, 18603, 26143, 42231, 43407, 54297, 78429, 106583, 126693, 130221, 183001, 235287, 319749, 380079, 549003, 705861, 746081, 959247, 1385579, 1647009, 2238243, 2877741, 4156737, 4941027, 6714729, 9699053, 12470211, 20144187, 29097159, 37410633, 87291477, 261874431]

約数ペア:

[(1, 261874431), (3, 87291477), (7, 37410633), (9, 29097159), (13, 20144187), (21, 12470211), (27, 9699053), (39, 6714729), (53, 4941027), (63, 4156737), (91, 2877741), (117, 2238243), (159, 1647009), (189, 1385579), (273, 959247), (351, 746081), (371, 705861), (477, 549003), (689, 380079), (819, 319749), (1113, 235287), (1431, 183001), (2011, 130221), (2067, 126693), (2457, 106583), (3339, 78429), (4823, 54297), (6033, 43407), (6201, 42231), (10017, 26143), (14077, 18603), (14469, 18099)]