12951141

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4637}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 21149280

約数和(自身を除く): 8198139

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4637, 13911, 32459, 88103, 97377, 227213, 264309, 616721, 681639, 1850163, 4317047, 12951141]

約数ペア:

[(1, 12951141), (3, 4317047), (7, 1850163), (19, 681639), (21, 616721), (49, 264309), (57, 227213), (133, 97377), (147, 88103), (399, 32459), (931, 13911), (2793, 4637)]