12887397

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 20064000

約数和(自身を除く): 7176603

約数列:

[1, 3, 9, 27, 29, 87, 109, 151, 261, 327, 453, 783, 981, 1359, 2943, 3161, 4077, 4379, 9483, 13137, 16459, 28449, 39411, 49377, 85347, 118233, 148131, 444393, 477311, 1431933, 4295799, 12887397]

約数ペア:

[(1, 12887397), (3, 4295799), (9, 1431933), (27, 477311), (29, 444393), (87, 148131), (109, 118233), (151, 85347), (261, 49377), (327, 39411), (453, 28449), (783, 16459), (981, 13137), (1359, 9483), (2943, 4379), (3161, 4077)]