1287029217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181553}}^1$

素因数の和:181712

約数の個数: 16

約数和(自身を含む): 1830064320

約数和(自身を除く): 543035103

約数列:

[1, 3, 17, 51, 139, 417, 2363, 7089, 181553, 544659, 3086401, 9259203, 25235867, 75707601, 429009739, 1287029217]

約数ペア:

[(1, 1287029217), (3, 429009739), (17, 75707601), (51, 25235867), (139, 9259203), (417, 3086401), (2363, 544659), (7089, 181553)]