12978327

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 18397152

約数和(自身を除く): 5418825

約数列:

[1, 3, 17, 51, 397, 641, 1191, 1923, 6749, 10897, 20247, 32691, 254477, 763431, 4326109, 12978327]

約数ペア:

[(1, 12978327), (3, 4326109), (17, 763431), (51, 254477), (397, 32691), (641, 20247), (1191, 10897), (1923, 6749)]