68390217

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7699}}^1$

素因数の和:7762

約数の個数: 32

約数和(自身を含む): 118272000

約数和(自身を除く): 49881783

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 7699, 8883, 23097, 53893, 69291, 161679, 207873, 361853, 485037, 1085559, 1455111, 2532971, 3256677, 7598913, 9770031, 22796739, 68390217]

約数ペア:

[(1, 68390217), (3, 22796739), (7, 9770031), (9, 7598913), (21, 3256677), (27, 2532971), (47, 1455111), (63, 1085559), (141, 485037), (189, 361853), (329, 207873), (423, 161679), (987, 69291), (1269, 53893), (2961, 23097), (7699, 8883)]