1639203

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 2276736

約数和(自身を除く): 637533

約数列:

[1, 3, 43, 97, 129, 131, 291, 393, 4171, 5633, 12513, 12707, 16899, 38121, 546401, 1639203]

約数ペア:

[(1, 1639203), (3, 546401), (43, 38121), (97, 16899), (129, 12707), (131, 12513), (291, 5633), (393, 4171)]