438420519

素因数分解:

$3^4\times {\mathrm{2089}}^1\times {\mathrm{2591}}^1$

素因数の和:4692

約数の個数: 20

約数和(自身を含む): 655490880

約数和(自身を除く): 217070361

約数列:

[1, 3, 9, 27, 81, 2089, 2591, 6267, 7773, 18801, 23319, 56403, 69957, 169209, 209871, 5412599, 16237797, 48713391, 146140173, 438420519]

約数ペア:

[(1, 438420519), (3, 146140173), (9, 48713391), (27, 16237797), (81, 5412599), (2089, 209871), (2591, 169209), (6267, 69957), (7773, 56403), (18801, 23319)]