7945857

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 12536160

約数和(自身を除く): 4590303

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 1721, 4617, 5163, 15489, 32699, 46467, 98097, 139401, 294291, 418203, 882873, 2648619, 7945857]

約数ペア:

[(1, 7945857), (3, 2648619), (9, 882873), (19, 418203), (27, 294291), (57, 139401), (81, 98097), (171, 46467), (243, 32699), (513, 15489), (1539, 5163), (1721, 4617)]