261567279

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{116719}}^1$

素因数の和:116811

約数の個数: 16

約数和(自身を含む): 392179200

約数和(自身を除く): 130611921

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 116719, 350157, 1050471, 3151413, 9687677, 29063031, 87189093, 261567279]

約数ペア:

[(1, 261567279), (3, 87189093), (9, 29063031), (27, 9687677), (83, 3151413), (249, 1050471), (747, 350157), (2241, 116719)]