2290001

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 2761728

約数和(自身を除く): 471727

約数列:

[1, 7, 31, 61, 173, 217, 427, 1211, 1891, 5363, 10553, 13237, 37541, 73871, 327143, 2290001]

約数ペア:

[(1, 2290001), (7, 327143), (31, 73871), (61, 37541), (173, 13237), (217, 10553), (427, 5363), (1211, 1891)]