397172013

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{27691}}^1$

素因数の和:28384

約数の個数: 16

約数和(自身を含む): 606122496

約数和(自身を除く): 208950483

約数列:

[1, 3, 7, 21, 683, 2049, 4781, 14343, 27691, 83073, 193837, 581511, 18912953, 56738859, 132390671, 397172013]

約数ペア:

[(1, 397172013), (3, 132390671), (7, 56738859), (21, 18912953), (683, 581511), (2049, 193837), (4781, 83073), (14343, 27691)]