2628213

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 4295520

約数和(自身を除く): 1667307

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 941, 2793, 2823, 6587, 17879, 19761, 46109, 53637, 125153, 138327, 375459, 876071, 2628213]

約数ペア:

[(1, 2628213), (3, 876071), (7, 375459), (19, 138327), (21, 125153), (49, 53637), (57, 46109), (133, 19761), (147, 17879), (399, 6587), (931, 2823), (941, 2793)]