12405.0000000

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 8175552

約数和(自身を除く): 2247075

約数列:

[1, 3, 41, 123, 157, 307, 471, 921, 6437, 12587, 19311, 37761, 48199, 144597, 1976159, 5928477]

約数ペア:

[(1, 5928477), (3, 1976159), (41, 144597), (123, 48199), (157, 37761), (307, 19311), (471, 12587), (921, 6437)]