12758319

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3821}}^1$

素因数の和:3887

約数の個数: 24

約数和(自身を含む): 21464352

約数和(自身を除く): 8706033

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 3821, 11463, 26747, 34389, 80241, 202513, 240723, 607539, 1417591, 1822617, 4252773, 12758319]

約数ペア:

[(1, 12758319), (3, 4252773), (7, 1822617), (9, 1417591), (21, 607539), (53, 240723), (63, 202513), (159, 80241), (371, 34389), (477, 26747), (1113, 11463), (3339, 3821)]