520065903

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 865935360

約数和(自身を除く): 345869457

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 107, 161, 203, 321, 347, 483, 609, 667, 749, 1041, 2001, 2247, 2429, 2461, 3103, 4669, 7287, 7383, 7981, 9309, 10063, 14007, 17227, 21721, 23943, 30189, 37129, 51681, 55867, 65163, 70441, 71369, 111387, 167601, 211323, 214107, 231449, 259903, 499583, 694347, 779709, 853967, 1076741, 1498749, 1620143, 2561901, 3230223, 4860429, 5977769, 7537187, 17933307, 22611561, 24765043, 74295129, 173355301, 520065903]

約数ペア:

[(1, 520065903), (3, 173355301), (7, 74295129), (21, 24765043), (23, 22611561), (29, 17933307), (69, 7537187), (87, 5977769), (107, 4860429), (161, 3230223), (203, 2561901), (321, 1620143), (347, 1498749), (483, 1076741), (609, 853967), (667, 779709), (749, 694347), (1041, 499583), (2001, 259903), (2247, 231449), (2429, 214107), (2461, 211323), (3103, 167601), (4669, 111387), (7287, 71369), (7383, 70441), (7981, 65163), (9309, 55867), (10063, 51681), (14007, 37129), (17227, 30189), (21721, 23943)]