243355

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 354240

約数和(自身を除く): 110885

約数列:

[1, 5, 7, 17, 35, 85, 119, 409, 595, 2045, 2863, 6953, 14315, 34765, 48671, 243355]

約数ペア:

[(1, 243355), (5, 48671), (7, 34765), (17, 14315), (35, 6953), (85, 2863), (119, 2045), (409, 595)]