18883364451

素因数分解:

$3^1\times 7^1\times {\mathrm{2801}}^1\times {\mathrm{321031}}^1$

素因数の和:323842

約数の個数: 16

約数和(自身を含む): 28785013248

約数和(自身を除く): 9901648797

約数列:

[1, 3, 7, 21, 2801, 8403, 19607, 58821, 321031, 963093, 2247217, 6741651, 899207831, 2697623493, 6294454817, 18883364451]

約数ペア:

[(1, 18883364451), (3, 6294454817), (7, 2697623493), (21, 899207831), (2801, 6741651), (8403, 2247217), (19607, 963093), (58821, 321031)]