12758991

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3181}}^1$

素因数の和:3382

約数の個数: 16

約数和(自身を含む): 19550208

約数和(自身を除く): 6791217

約数列:

[1, 3, 7, 21, 191, 573, 1337, 3181, 4011, 9543, 22267, 66801, 607571, 1822713, 4252997, 12758991]

約数ペア:

[(1, 12758991), (3, 4252997), (7, 1822713), (21, 607571), (191, 66801), (573, 22267), (1337, 9543), (3181, 4011)]