264877209

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{8237}}^1$

素因数の和:8646

約数の個数: 20

約数和(自身を含む): 396725604

約数和(自身を除く): 131848395

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 8237, 10719, 24711, 32157, 74133, 222399, 667197, 3270089, 9810267, 29430801, 88292403, 264877209]

約数ペア:

[(1, 264877209), (3, 88292403), (9, 29430801), (27, 9810267), (81, 3270089), (397, 667197), (1191, 222399), (3573, 74133), (8237, 32157), (10719, 24711)]