205432905

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 333946368

約数和(自身を除く): 128513463

約数列:

[1, 3, 5, 15, 97, 271, 291, 485, 521, 813, 1355, 1455, 1563, 2605, 4065, 7815, 26287, 50537, 78861, 131435, 141191, 151611, 252685, 394305, 423573, 705955, 758055, 2117865, 13695527, 41086581, 68477635, 205432905]

約数ペア:

[(1, 205432905), (3, 68477635), (5, 41086581), (15, 13695527), (97, 2117865), (271, 758055), (291, 705955), (485, 423573), (521, 394305), (813, 252685), (1355, 151611), (1455, 141191), (1563, 131435), (2605, 78861), (4065, 50537), (7815, 26287)]