428715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1361}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 849888

約数和(自身を除く): 421173

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1361, 4083, 6805, 9527, 12249, 20415, 28581, 47635, 61245, 85743, 142905, 428715]

約数ペア:

[(1, 428715), (3, 142905), (5, 85743), (7, 61245), (9, 47635), (15, 28581), (21, 20415), (35, 12249), (45, 9527), (63, 6805), (105, 4083), (315, 1361)]