28697274

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 38280006

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 74, 106, 111, 159, 222, 271, 318, 333, 477, 542, 666, 813, 954, 999, 1431, 1626, 1961, 1998, 2439, 2862, 3922, 4878, 5883, 7317, 10027, 11766, 14363, 14634, 17649, 20054, 28726, 30081, 35298, 43089, 52947, 60162, 86178, 90243, 105894, 129267, 180486, 258534, 270729, 387801, 531431, 541458, 775602, 1062862, 1594293, 3188586, 4782879, 9565758, 14348637, 28697274]

約数ペア:

[(1, 28697274), (2, 14348637), (3, 9565758), (6, 4782879), (9, 3188586), (18, 1594293), (27, 1062862), (37, 775602), (53, 541458), (54, 531431), (74, 387801), (106, 270729), (111, 258534), (159, 180486), (222, 129267), (271, 105894), (318, 90243), (333, 86178), (477, 60162), (542, 52947), (666, 43089), (813, 35298), (954, 30081), (999, 28726), (1431, 20054), (1626, 17649), (1961, 14634), (1998, 14363), (2439, 11766), (2862, 10027), (3922, 7317), (4878, 5883)]