1978119

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 3538080

約数和(自身を除く): 1559961

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 53, 87, 99, 117, 143, 159, 261, 319, 377, 429, 477, 583, 689, 957, 1131, 1287, 1537, 1749, 2067, 2871, 3393, 4147, 4611, 5247, 6201, 7579, 12441, 13833, 16907, 19981, 22737, 37323, 50721, 59943, 68211, 152163, 179829, 219791, 659373, 1978119]

約数ペア:

[(1, 1978119), (3, 659373), (9, 219791), (11, 179829), (13, 152163), (29, 68211), (33, 59943), (39, 50721), (53, 37323), (87, 22737), (99, 19981), (117, 16907), (143, 13833), (159, 12441), (261, 7579), (319, 6201), (377, 5247), (429, 4611), (477, 4147), (583, 3393), (689, 2871), (957, 2067), (1131, 1749), (1287, 1537)]