644085987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{63463}}^1$

素因数の和:63682

約数の個数: 16

約数和(自身を含む): 913881600

約数和(自身を除く): 269795613

約数列:

[1, 3, 17, 51, 199, 597, 3383, 10149, 63463, 190389, 1078871, 3236613, 12629137, 37887411, 214695329, 644085987]

約数ペア:

[(1, 644085987), (3, 214695329), (17, 37887411), (51, 12629137), (199, 3236613), (597, 1078871), (3383, 190389), (10149, 63463)]