12881505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9437}}^1$

素因数の和:9465

約数の個数: 32

約数和(自身を含む): 25369344

約数和(自身を除く): 12487839

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 9437, 28311, 47185, 66059, 122681, 141555, 198177, 330295, 368043, 613405, 858767, 990885, 1840215, 2576301, 4293835, 12881505]

約数ペア:

[(1, 12881505), (3, 4293835), (5, 2576301), (7, 1840215), (13, 990885), (15, 858767), (21, 613405), (35, 368043), (39, 330295), (65, 198177), (91, 141555), (105, 122681), (195, 66059), (273, 47185), (455, 28311), (1365, 9437)]