645894

素因数分解:

$2^1\times 3^6\times {\mathrm{443}}^1$

素因数の和:463

約数の個数: 28

約数和(自身を含む): 1455876

約数和(自身を除く): 809982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 443, 486, 729, 886, 1329, 1458, 2658, 3987, 7974, 11961, 23922, 35883, 71766, 107649, 215298, 322947, 645894]

約数ペア:

[(1, 645894), (2, 322947), (3, 215298), (6, 107649), (9, 71766), (18, 35883), (27, 23922), (54, 11961), (81, 7974), (162, 3987), (243, 2658), (443, 1458), (486, 1329), (729, 886)]