1977003

素因数分解:

$3^2\times 7^2\times {\mathrm{4483}}^1$

素因数の和:4503

約数の個数: 18

約数和(自身を含む): 3322644

約数和(自身を除く): 1345641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4483, 13449, 31381, 40347, 94143, 219667, 282429, 659001, 1977003]

約数ペア:

[(1, 1977003), (3, 659001), (7, 282429), (9, 219667), (21, 94143), (49, 40347), (63, 31381), (147, 13449), (441, 4483)]