217272923

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2861}}^1$

素因数の和:3458

約数の個数: 16

約数和(自身を含む): 261930240

約数和(自身を除く): 44657317

約数列:

[1, 7, 19, 133, 571, 2861, 3997, 10849, 20027, 54359, 75943, 380513, 1633631, 11435417, 31038989, 217272923]

約数ペア:

[(1, 217272923), (7, 31038989), (19, 11435417), (133, 1633631), (571, 380513), (2861, 75943), (3997, 54359), (10849, 20027)]