2648619

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1752

約数の個数: 20

約数和(自身を含む): 4167240

約数和(自身を除く): 1518621

約数列:

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

約数ペア:

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