201978009

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{173969}}^1$

素因数の和:174021

約数の個数: 16

約数和(自身を含む): 306187200

約数和(自身を除く): 104209191

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 173969, 521907, 1565721, 4697163, 7480667, 22442001, 67326003, 201978009]

約数ペア:

[(1, 201978009), (3, 67326003), (9, 22442001), (27, 7480667), (43, 4697163), (129, 1565721), (387, 521907), (1161, 173969)]