12887847

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6599}}^1$

素因数の和:6643

約数の個数: 24

約数和(自身を含む): 21964800

約数和(自身を除く): 9076953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6599, 19797, 46193, 59391, 138579, 204569, 415737, 613707, 1431983, 1841121, 4295949, 12887847]

約数ペア:

[(1, 12887847), (3, 4295949), (7, 1841121), (9, 1431983), (21, 613707), (31, 415737), (63, 204569), (93, 138579), (217, 59391), (279, 46193), (651, 19797), (1953, 6599)]