2939433

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 1898967

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 139, 159, 371, 399, 417, 973, 1007, 1113, 2641, 2919, 3021, 7049, 7367, 7923, 18487, 21147, 22101, 51569, 55461, 139973, 154707, 419919, 979811, 2939433]

約数ペア:

[(1, 2939433), (3, 979811), (7, 419919), (19, 154707), (21, 139973), (53, 55461), (57, 51569), (133, 22101), (139, 21147), (159, 18487), (371, 7923), (399, 7367), (417, 7049), (973, 3021), (1007, 2919), (1113, 2641)]