7281365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 10821888

約数和(自身を除く): 3540523

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 1231, 5915, 6155, 8617, 16003, 43085, 80015, 112021, 208039, 560105, 1040195, 1456273, 7281365]

約数ペア:

[(1, 7281365), (5, 1456273), (7, 1040195), (13, 560105), (35, 208039), (65, 112021), (91, 80015), (169, 43085), (455, 16003), (845, 8617), (1183, 6155), (1231, 5915)]