219748809

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{1021}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 345485056

約数和(自身を除く): 125736247

約数列:

[1, 3, 7, 21, 37, 111, 259, 277, 777, 831, 1021, 1939, 3063, 5817, 7147, 10249, 21441, 30747, 37777, 71743, 113331, 215229, 264439, 282817, 793317, 848451, 1979719, 5939157, 10464229, 31392687, 73249603, 219748809]

約数ペア:

[(1, 219748809), (3, 73249603), (7, 31392687), (21, 10464229), (37, 5939157), (111, 1979719), (259, 848451), (277, 793317), (777, 282817), (831, 264439), (1021, 215229), (1939, 113331), (3063, 71743), (5817, 37777), (7147, 30747), (10249, 21441)]