12778521

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1303}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 19528704

約数和(自身を除く): 6750183

約数列:

[1, 3, 7, 21, 467, 1303, 1401, 3269, 3909, 9121, 9807, 27363, 608501, 1825503, 4259507, 12778521]

約数ペア:

[(1, 12778521), (3, 4259507), (7, 1825503), (21, 608501), (467, 27363), (1303, 9807), (1401, 9121), (3269, 3909)]