201721295

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9766

約数の個数: 16

約数和(自身を含む): 249661440

約数和(自身を除く): 47940145

約数列:

[1, 5, 59, 71, 295, 355, 4189, 9631, 20945, 48155, 568229, 683801, 2841145, 3419005, 40344259, 201721295]

約数ペア:

[(1, 201721295), (5, 40344259), (59, 3419005), (71, 2841145), (295, 683801), (355, 568229), (4189, 48155), (9631, 20945)]