172287227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 211756032

約数和(自身を除く): 39468805

約数列:

[1, 7, 23, 73, 107, 137, 161, 511, 749, 959, 1679, 2461, 3151, 7811, 10001, 11753, 14659, 17227, 22057, 54677, 70007, 102613, 179653, 230023, 337157, 1070107, 1257571, 1610161, 2360099, 7490749, 24612461, 172287227]

約数ペア:

[(1, 172287227), (7, 24612461), (23, 7490749), (73, 2360099), (107, 1610161), (137, 1257571), (161, 1070107), (511, 337157), (749, 230023), (959, 179653), (1679, 102613), (2461, 70007), (3151, 54677), (7811, 22057), (10001, 17227), (11753, 14659)]