77780493

素因数分解:

$3^4\times 7^2\times {\mathrm{19597}}^1$

素因数の和:19623

約数の個数: 30

約数和(自身を含む): 135167406

約数和(自身を除く): 57386913

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 19597, 58791, 137179, 176373, 411537, 529119, 960253, 1234611, 1587357, 2880759, 3703833, 8642277, 11111499, 25926831, 77780493]

約数ペア:

[(1, 77780493), (3, 25926831), (7, 11111499), (9, 8642277), (21, 3703833), (27, 2880759), (49, 1587357), (63, 1234611), (81, 960253), (147, 529119), (189, 411537), (441, 176373), (567, 137179), (1323, 58791), (3969, 19597)]