857451

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 1404480

約数和(自身を除く): 547029

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 307, 399, 921, 931, 2149, 2793, 5833, 6447, 15043, 17499, 40831, 45129, 122493, 285817, 857451]

約数ペア:

[(1, 857451), (3, 285817), (7, 122493), (19, 45129), (21, 40831), (49, 17499), (57, 15043), (133, 6447), (147, 5833), (307, 2793), (399, 2149), (921, 931)]