31421457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5009}}^1$

素因数の和:5073

約数の個数: 24

約数和(自身を含む): 49238280

約数和(自身を除く): 17816823

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 5009, 6273, 15027, 45081, 85153, 205369, 255459, 616107, 766377, 1848321, 3491273, 10473819, 31421457]

約数ペア:

[(1, 31421457), (3, 10473819), (9, 3491273), (17, 1848321), (41, 766377), (51, 616107), (123, 255459), (153, 205369), (369, 85153), (697, 45081), (2091, 15027), (5009, 6273)]