28773459

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 20847021

約数列:

[1, 3, 9, 11, 13, 33, 39, 79, 99, 117, 143, 237, 283, 429, 711, 849, 869, 1027, 1287, 2547, 2607, 3081, 3113, 3679, 7821, 9243, 9339, 11037, 11297, 22357, 28017, 33111, 33891, 40469, 67071, 101673, 121407, 201213, 245927, 290641, 364221, 737781, 871923, 2213343, 2615769, 3197051, 9591153, 28773459]

約数ペア:

[(1, 28773459), (3, 9591153), (9, 3197051), (11, 2615769), (13, 2213343), (33, 871923), (39, 737781), (79, 364221), (99, 290641), (117, 245927), (143, 201213), (237, 121407), (283, 101673), (429, 67071), (711, 40469), (849, 33891), (869, 33111), (1027, 28017), (1287, 22357), (2547, 11297), (2607, 11037), (3081, 9339), (3113, 9243), (3679, 7821)]