8420457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4027}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 12180672

約数和(自身を除く): 3760215

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 4027, 12081, 68459, 165107, 205377, 495321, 2806819, 8420457]

約数ペア:

[(1, 8420457), (3, 2806819), (17, 495321), (41, 205377), (51, 165107), (123, 68459), (697, 12081), (2091, 4027)]