289021815

素因数分解:

$3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{8161}}^1$

素因数の和:8959

約数の個数: 24

約数和(自身を含む): 501669168

約数和(自身を除く): 212647353

約数列:

[1, 3, 5, 9, 15, 45, 787, 2361, 3935, 7083, 8161, 11805, 24483, 35415, 40805, 73449, 122415, 367245, 6422707, 19268121, 32113535, 57804363, 96340605, 289021815]

約数ペア:

[(1, 289021815), (3, 96340605), (5, 57804363), (9, 32113535), (15, 19268121), (45, 6422707), (787, 367245), (2361, 122415), (3935, 73449), (7083, 40805), (8161, 35415), (11805, 24483)]