261448005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191537}}^1$

素因数の和:191565

約数の個数: 32

約数和(自身を含む): 514854144

約数和(自身を除く): 253406139

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 191537, 574611, 957685, 1340759, 2489981, 2873055, 4022277, 6703795, 7469943, 12449905, 17429867, 20111385, 37349715, 52289601, 87149335, 261448005]

約数ペア:

[(1, 261448005), (3, 87149335), (5, 52289601), (7, 37349715), (13, 20111385), (15, 17429867), (21, 12449905), (35, 7469943), (39, 6703795), (65, 4022277), (91, 2873055), (105, 2489981), (195, 1340759), (273, 957685), (455, 574611), (1365, 191537)]