2912856921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1310327}}^1$

素因数の和:1310365

約数の個数: 24

約数和(自身を含む): 4769593920

約数和(自身を除く): 1856736999

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 1310327, 3930981, 11792943, 17034251, 24896213, 51102753, 74688639, 153308259, 224065917, 323650769, 970952307, 2912856921]

約数ペア:

[(1, 2912856921), (3, 970952307), (9, 323650769), (13, 224065917), (19, 153308259), (39, 74688639), (57, 51102753), (117, 24896213), (171, 17034251), (247, 11792943), (741, 3930981), (2223, 1310327)]