172616319

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 263619840

約数和(自身を除く): 91003521

約数列:

[1, 3, 9, 27, 43, 129, 157, 387, 471, 947, 1161, 1413, 2841, 4239, 6751, 8523, 20253, 25569, 40721, 60759, 122163, 148679, 182277, 366489, 446037, 1099467, 1338111, 4014333, 6393197, 19179591, 57538773, 172616319]

約数ペア:

[(1, 172616319), (3, 57538773), (9, 19179591), (27, 6393197), (43, 4014333), (129, 1338111), (157, 1099467), (387, 446037), (471, 366489), (947, 182277), (1161, 148679), (1413, 122163), (2841, 60759), (4239, 40721), (6751, 25569), (8523, 20253)]