1683003

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^2$

素因数の和:231

約数の個数: 18

約数和(自身を含む): 2634996

約数和(自身を除く): 951993

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 11449, 15729, 34347, 80143, 240429, 561001, 1683003]

約数ペア:

[(1, 1683003), (3, 561001), (7, 240429), (21, 80143), (49, 34347), (107, 15729), (147, 11449), (321, 5243), (749, 2247)]