440348739

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{20509}}^1$

素因数の和:20950

約数の個数: 16

約数和(自身を含む): 623175840

約数和(自身を除く): 182827101

約数列:

[1, 3, 17, 51, 421, 1263, 7157, 20509, 21471, 61527, 348653, 1045959, 8634289, 25902867, 146782913, 440348739]

約数ペア:

[(1, 440348739), (3, 146782913), (17, 25902867), (51, 8634289), (421, 1045959), (1263, 348653), (7157, 61527), (20509, 21471)]