28907655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 26830713

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 83, 93, 105, 107, 155, 217, 249, 321, 415, 465, 535, 581, 651, 749, 1085, 1245, 1605, 1743, 2247, 2573, 2905, 3255, 3317, 3745, 7719, 8715, 8881, 9951, 11235, 12865, 16585, 18011, 23219, 26643, 38595, 44405, 49755, 54033, 62167, 69657, 90055, 116095, 133215, 186501, 270165, 275311, 310835, 348285, 825933, 932505, 1376555, 1927177, 4129665, 5781531, 9635885, 28907655]

約数ペア:

[(1, 28907655), (3, 9635885), (5, 5781531), (7, 4129665), (15, 1927177), (21, 1376555), (31, 932505), (35, 825933), (83, 348285), (93, 310835), (105, 275311), (107, 270165), (155, 186501), (217, 133215), (249, 116095), (321, 90055), (415, 69657), (465, 62167), (535, 54033), (581, 49755), (651, 44405), (749, 38595), (1085, 26643), (1245, 23219), (1605, 18011), (1743, 16585), (2247, 12865), (2573, 11235), (2905, 9951), (3255, 8881), (3317, 8715), (3745, 7719)]