30720951

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{1093}}^1$

素因数の和:1452

約数の個数: 20

約数和(自身を含む): 46066152

約数和(自身を除く): 15345201

約数列:

[1, 3, 9, 27, 81, 347, 1041, 1093, 3123, 3279, 9369, 9837, 28107, 29511, 88533, 379271, 1137813, 3413439, 10240317, 30720951]

約数ペア:

[(1, 30720951), (3, 10240317), (9, 3413439), (27, 1137813), (81, 379271), (347, 88533), (1041, 29511), (1093, 28107), (3123, 9837), (3279, 9369)]