272939199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 174128961

約数列:

[1, 3, 13, 17, 19, 39, 47, 51, 57, 141, 221, 247, 323, 461, 611, 663, 741, 799, 893, 969, 1383, 1833, 2397, 2679, 4199, 5993, 7837, 8759, 10387, 11609, 12597, 15181, 17979, 21667, 23511, 26277, 31161, 34827, 45543, 65001, 101881, 113867, 148903, 197353, 281671, 305643, 341601, 368339, 411673, 446709, 592059, 845013, 1105017, 1235019, 1935739, 4788407, 5351749, 5807217, 6998441, 14365221, 16055247, 20995323, 90979733, 272939199]

約数ペア:

[(1, 272939199), (3, 90979733), (13, 20995323), (17, 16055247), (19, 14365221), (39, 6998441), (47, 5807217), (51, 5351749), (57, 4788407), (141, 1935739), (221, 1235019), (247, 1105017), (323, 845013), (461, 592059), (611, 446709), (663, 411673), (741, 368339), (799, 341601), (893, 305643), (969, 281671), (1383, 197353), (1833, 148903), (2397, 113867), (2679, 101881), (4199, 65001), (5993, 45543), (7837, 34827), (8759, 31161), (10387, 26277), (11609, 23511), (12597, 21667), (15181, 17979)]