668103639

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{228881}}^1$

素因数の和:229030

約数の個数: 16

約数和(自身を含む): 1025391360

約数和(自身を除く): 357287721

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 228881, 686643, 1602167, 4806501, 31814459, 95443377, 222701213, 668103639]

約数ペア:

[(1, 668103639), (3, 222701213), (7, 95443377), (21, 31814459), (139, 4806501), (417, 1602167), (973, 686643), (2919, 228881)]