864348681

素因数分解:

$3^1\times 7^3\times {\mathrm{887}}^1\times {\mathrm{947}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 1346918400

約数和(自身を除く): 482569719

約数列:

[1, 3, 7, 21, 49, 147, 343, 887, 947, 1029, 2661, 2841, 6209, 6629, 18627, 19887, 43463, 46403, 130389, 139209, 304241, 324821, 839989, 912723, 974463, 2519967, 5879923, 17639769, 41159461, 123478383, 288116227, 864348681]

約数ペア:

[(1, 864348681), (3, 288116227), (7, 123478383), (21, 41159461), (49, 17639769), (147, 5879923), (343, 2519967), (887, 974463), (947, 912723), (1029, 839989), (2661, 324821), (2841, 304241), (6209, 139209), (6629, 130389), (18627, 46403), (19887, 43463)]