1800729

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 3012672

約数和(自身を除く): 1211943

約数列:

[1, 3, 7, 9, 21, 63, 101, 283, 303, 707, 849, 909, 1981, 2121, 2547, 5943, 6363, 17829, 28583, 85749, 200081, 257247, 600243, 1800729]

約数ペア:

[(1, 1800729), (3, 600243), (7, 257247), (9, 200081), (21, 85749), (63, 28583), (101, 17829), (283, 6363), (303, 5943), (707, 2547), (849, 2121), (909, 1981)]