1215291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5282

約数の個数: 16

約数和(自身を含む): 2020608

約数和(自身を除く): 805317

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 5261, 15783, 36827, 57871, 110481, 173613, 405097, 1215291]

約数ペア:

[(1, 1215291), (3, 405097), (7, 173613), (11, 110481), (21, 57871), (33, 36827), (77, 15783), (231, 5261)]