551436921

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^3\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 940412928

約数和(自身を除く): 388976007

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 127, 287, 369, 381, 861, 889, 1143, 1681, 2583, 2667, 5043, 5207, 8001, 11767, 15129, 15621, 35301, 36449, 46863, 68921, 105903, 109347, 206763, 213487, 328041, 482447, 620289, 640461, 1447341, 1494409, 1921383, 4342023, 4483227, 8752967, 13449681, 26258901, 61270769, 78776703, 183812307, 551436921]

約数ペア:

[(1, 551436921), (3, 183812307), (7, 78776703), (9, 61270769), (21, 26258901), (41, 13449681), (63, 8752967), (123, 4483227), (127, 4342023), (287, 1921383), (369, 1494409), (381, 1447341), (861, 640461), (889, 620289), (1143, 482447), (1681, 328041), (2583, 213487), (2667, 206763), (5043, 109347), (5207, 105903), (8001, 68921), (11767, 46863), (15129, 36449), (15621, 35301)]