6665409

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 10802880

約数和(自身を除く): 4137471

約数列:

[1, 3, 9, 19, 27, 57, 61, 71, 81, 171, 183, 213, 513, 549, 639, 1159, 1349, 1539, 1647, 1917, 3477, 4047, 4331, 4941, 5751, 10431, 12141, 12993, 31293, 36423, 38979, 82289, 93879, 109269, 116937, 246867, 350811, 740601, 2221803, 6665409]

約数ペア:

[(1, 6665409), (3, 2221803), (9, 740601), (19, 350811), (27, 246867), (57, 116937), (61, 109269), (71, 93879), (81, 82289), (171, 38979), (183, 36423), (213, 31293), (513, 12993), (549, 12141), (639, 10431), (1159, 5751), (1349, 4941), (1539, 4331), (1647, 4047), (1917, 3477)]