12579921

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 19440000

約数和(自身を除く): 6860079

約数列:

[1, 3, 9, 27, 53, 59, 149, 159, 177, 447, 477, 531, 1341, 1431, 1593, 3127, 4023, 7897, 8791, 9381, 23691, 26373, 28143, 71073, 79119, 84429, 213219, 237357, 465923, 1397769, 4193307, 12579921]

約数ペア:

[(1, 12579921), (3, 4193307), (9, 1397769), (27, 465923), (53, 237357), (59, 213219), (149, 84429), (159, 79119), (177, 71073), (447, 28143), (477, 26373), (531, 23691), (1341, 9381), (1431, 8791), (1593, 7897), (3127, 4023)]