387104319

素因数分解:

$3^3\times 7^1\times {\mathrm{2048171}}^1$

素因数の和:2048187

約数の個数: 16

約数和(自身を含む): 655415040

約数和(自身を除く): 268310721

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2048171, 6144513, 14337197, 18433539, 43011591, 55300617, 129034773, 387104319]

約数ペア:

[(1, 387104319), (3, 129034773), (7, 55300617), (9, 43011591), (21, 18433539), (27, 14337197), (63, 6144513), (189, 2048171)]