218596149

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{20123}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 339049152

約数和(自身を除く): 120453003

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 20123, 60369, 181107, 342091, 1026273, 1428733, 3078819, 4286199, 12858597, 24288461, 72865383, 218596149]

約数ペア:

[(1, 218596149), (3, 72865383), (9, 24288461), (17, 12858597), (51, 4286199), (71, 3078819), (153, 1428733), (213, 1026273), (639, 342091), (1207, 181107), (3621, 60369), (10863, 20123)]