12157887

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8641}}^1$

素因数の和:8718

約数の個数: 16

約数和(自身を含む): 18804992

約数和(自身を除く): 6647105

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 8641, 25923, 60487, 181461, 578947, 1736841, 4052629, 12157887]

約数ペア:

[(1, 12157887), (3, 4052629), (7, 1736841), (21, 578947), (67, 181461), (201, 60487), (469, 25923), (1407, 8641)]