289498321

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1531}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 358377696

約数和(自身を除く): 68879375

約数列:

[1, 7, 17, 49, 119, 227, 833, 1531, 1589, 3859, 10717, 11123, 26027, 27013, 75019, 182189, 189091, 347537, 1275323, 2432759, 5908129, 17029313, 41356903, 289498321]

約数ペア:

[(1, 289498321), (7, 41356903), (17, 17029313), (49, 5908129), (119, 2432759), (227, 1275323), (833, 347537), (1531, 189091), (1589, 182189), (3859, 75019), (10717, 27013), (11123, 26027)]