15820407321

素因数分解:

$3^1\times {\mathrm{1217}}^1\times {\mathrm{1951}}^1\times {\mathrm{2221}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 21131539968

約数和(自身を除く): 5311132647

約数列:

[1, 3, 1217, 1951, 2221, 3651, 5853, 6663, 2374367, 2702957, 4333171, 7123101, 8108871, 12999513, 5273469107, 15820407321]

約数ペア:

[(1, 15820407321), (3, 5273469107), (1217, 12999513), (1951, 8108871), (2221, 7123101), (3651, 4333171), (5853, 2702957), (6663, 2374367)]