18380277

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1364

約数の個数: 28

約数和(自身を含む): 29030080

約数和(自身を除く): 10649803

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1327, 1539, 3981, 4617, 11943, 13851, 25213, 35829, 75639, 107487, 226917, 322461, 680751, 967383, 2042253, 6126759, 18380277]

約数ペア:

[(1, 18380277), (3, 6126759), (9, 2042253), (19, 967383), (27, 680751), (57, 322461), (81, 226917), (171, 107487), (243, 75639), (513, 35829), (729, 25213), (1327, 13851), (1539, 11943), (3981, 4617)]