859642713

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{246811}}^1$

素因数の和:246866

約数の個数: 20

約数和(自身を含む): 1314027088

約数和(自身を除く): 454384375

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 246811, 740433, 2221299, 6663897, 10612873, 19991691, 31838619, 95515857, 286547571, 859642713]

約数ペア:

[(1, 859642713), (3, 286547571), (9, 95515857), (27, 31838619), (43, 19991691), (81, 10612873), (129, 6663897), (387, 2221299), (1161, 740433), (3483, 246811)]