81931521

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{8807}}^1$

素因数の和:9260

約数の個数: 16

約数和(自身を含む): 125144064

約数和(自身を除く): 43212543

約数列:

[1, 3, 7, 21, 443, 1329, 3101, 8807, 9303, 26421, 61649, 184947, 3901501, 11704503, 27310507, 81931521]

約数ペア:

[(1, 81931521), (3, 27310507), (7, 11704503), (21, 3901501), (443, 184947), (1329, 61649), (3101, 26421), (8807, 9303)]