197335269

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{75869}}^1$

素因数の和:75909

約数の個数: 18

約数和(自身を含む): 302797170

約数和(自身を除く): 105461901

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 75869, 227607, 682821, 1289773, 3869319, 11607957, 21926141, 65778423, 197335269]

約数ペア:

[(1, 197335269), (3, 65778423), (9, 21926141), (17, 11607957), (51, 3869319), (153, 1289773), (289, 682821), (867, 227607), (2601, 75869)]