2778491619

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{6581}}^1$

素因数の和:7432

約数の個数: 32

約数和(自身を含む): 4338854400

約数和(自身を除く): 1560362781

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 823, 2469, 6581, 7407, 15637, 19743, 22221, 46911, 59229, 125039, 140733, 177687, 375117, 422199, 1125351, 3376053, 5416163, 16248489, 48745467, 102907097, 146236401, 308721291, 926163873, 2778491619]

約数ペア:

[(1, 2778491619), (3, 926163873), (9, 308721291), (19, 146236401), (27, 102907097), (57, 48745467), (171, 16248489), (513, 5416163), (823, 3376053), (2469, 1125351), (6581, 422199), (7407, 375117), (15637, 177687), (19743, 140733), (22221, 125039), (46911, 59229)]