75190491

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 114992640

約数和(自身を除く): 39802149

約数列:

[1, 3, 9, 27, 61, 71, 183, 213, 549, 639, 643, 1647, 1917, 1929, 4331, 5787, 12993, 17361, 38979, 39223, 45653, 116937, 117669, 136959, 353007, 410877, 1059021, 1232631, 2784833, 8354499, 25063497, 75190491]

約数ペア:

[(1, 75190491), (3, 25063497), (9, 8354499), (27, 2784833), (61, 1232631), (71, 1059021), (183, 410877), (213, 353007), (549, 136959), (639, 117669), (643, 116937), (1647, 45653), (1917, 39223), (1929, 38979), (4331, 17361), (5787, 12993)]