289186485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{393451}}^1$

素因数の和:393473

約数の個数: 24

約数和(自身を含む): 538242336

約数和(自身を除く): 249055851

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 393451, 1180353, 1967255, 2754157, 5901765, 8262471, 13770785, 19279099, 41312355, 57837297, 96395495, 289186485]

約数ペア:

[(1, 289186485), (3, 96395495), (5, 57837297), (7, 41312355), (15, 19279099), (21, 13770785), (35, 8262471), (49, 5901765), (105, 2754157), (147, 1967255), (245, 1180353), (735, 393451)]