209315529

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{180289}}^1$

素因数の和:180341

約数の個数: 16

約数和(自身を含む): 317310400

約数和(自身を除く): 107994871

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 180289, 540867, 1622601, 4867803, 7752427, 23257281, 69771843, 209315529]

約数ペア:

[(1, 209315529), (3, 69771843), (9, 23257281), (27, 7752427), (43, 4867803), (129, 1622601), (387, 540867), (1161, 180289)]