1263729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 1814400

約数和(自身を除く): 550671

約数列:

[1, 3, 17, 51, 71, 213, 349, 1047, 1207, 3621, 5933, 17799, 24779, 74337, 421243, 1263729]

約数ペア:

[(1, 1263729), (3, 421243), (17, 74337), (51, 24779), (71, 17799), (213, 5933), (349, 3621), (1047, 1207)]