261483495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191563}}^1$

素因数の和:191591

約数の個数: 32

約数和(自身を含む): 514924032

約数和(自身を除く): 253440537

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 191563, 574689, 957815, 1340941, 2490319, 2873445, 4022823, 6704705, 7470957, 12451595, 17432233, 20114115, 37354785, 52296699, 87161165, 261483495]

約数ペア:

[(1, 261483495), (3, 87161165), (5, 52296699), (7, 37354785), (13, 20114115), (15, 17432233), (21, 12451595), (35, 7470957), (39, 6704705), (65, 4022823), (91, 2873445), (105, 2490319), (195, 1340941), (273, 957815), (455, 574689), (1365, 191563)]