2547321

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 3923328

約数和(自身を除く): 1376007

約数列:

[1, 3, 7, 21, 101, 303, 707, 1201, 2121, 3603, 8407, 25221, 121301, 363903, 849107, 2547321]

約数ペア:

[(1, 2547321), (3, 849107), (7, 363903), (21, 121301), (101, 25221), (303, 8407), (707, 3603), (1201, 2121)]