389506551

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{180077}}^1$

素因数の和:180190

約数の個数: 16

約数和(自身を含む): 599299584

約数和(自身を除く): 209793033

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 180077, 540231, 1260539, 3781617, 18547931, 55643793, 129835517, 389506551]

約数ペア:

[(1, 389506551), (3, 129835517), (7, 55643793), (21, 18547931), (103, 3781617), (309, 1260539), (721, 540231), (2163, 180077)]