248291235

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{8581}}^1$

素因数の和:9235

約数の個数: 24

約数和(自身を含む): 431091024

約数和(自身を除く): 182799789

約数列:

[1, 3, 5, 9, 15, 45, 643, 1929, 3215, 5787, 8581, 9645, 25743, 28935, 42905, 77229, 128715, 386145, 5517583, 16552749, 27587915, 49658247, 82763745, 248291235]

約数ペア:

[(1, 248291235), (3, 82763745), (5, 49658247), (9, 27587915), (15, 16552749), (45, 5517583), (643, 386145), (1929, 128715), (3215, 77229), (5787, 42905), (8581, 28935), (9645, 25743)]