813888909

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{2205661}}^1$

素因数の和:2205708

約数の個数: 12

約数和(自身を含む): 1204291452

約数和(自身を除く): 390402543

約数列:

[1, 3, 9, 41, 123, 369, 2205661, 6616983, 19850949, 90432101, 271296303, 813888909]

約数ペア:

[(1, 813888909), (3, 271296303), (9, 90432101), (41, 19850949), (123, 6616983), (369, 2205661)]