27809418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 72067968

約数和(自身を除く): 44258550

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 53, 62, 78, 91, 93, 106, 159, 182, 186, 217, 273, 318, 371, 403, 434, 546, 651, 689, 742, 806, 961, 1113, 1209, 1302, 1378, 1643, 1922, 2067, 2226, 2418, 2821, 2883, 3286, 4134, 4823, 4929, 5642, 5766, 6727, 8463, 9646, 9858, 11501, 12493, 13454, 14469, 16926, 20181, 21359, 23002, 24986, 28938, 34503, 37479, 40362, 42718, 50933, 64077, 69006, 74958, 87451, 101866, 128154, 149513, 152799, 174902, 262353, 299026, 305598, 356531, 448539, 524706, 662129, 713062, 897078, 1069593, 1324258, 1986387, 2139186, 3972774, 4634903, 9269806, 13904709, 27809418]

約数ペア:

[(1, 27809418), (2, 13904709), (3, 9269806), (6, 4634903), (7, 3972774), (13, 2139186), (14, 1986387), (21, 1324258), (26, 1069593), (31, 897078), (39, 713062), (42, 662129), (53, 524706), (62, 448539), (78, 356531), (91, 305598), (93, 299026), (106, 262353), (159, 174902), (182, 152799), (186, 149513), (217, 128154), (273, 101866), (318, 87451), (371, 74958), (403, 69006), (434, 64077), (546, 50933), (651, 42718), (689, 40362), (742, 37479), (806, 34503), (961, 28938), (1113, 24986), (1209, 23002), (1302, 21359), (1378, 20181), (1643, 16926), (1922, 14469), (2067, 13454), (2226, 12493), (2418, 11501), (2821, 9858), (2883, 9646), (3286, 8463), (4134, 6727), (4823, 5766), (4929, 5642)]