66927651

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 105312768

約数和(自身を除く): 38385117

約数列:

[1, 3, 7, 21, 43, 129, 137, 301, 411, 541, 903, 959, 1623, 2877, 3787, 5891, 11361, 17673, 23263, 41237, 69789, 74117, 123711, 162841, 222351, 488523, 518819, 1556457, 3187031, 9561093, 22309217, 66927651]

約数ペア:

[(1, 66927651), (3, 22309217), (7, 9561093), (21, 3187031), (43, 1556457), (129, 518819), (137, 488523), (301, 222351), (411, 162841), (541, 123711), (903, 74117), (959, 69789), (1623, 41237), (2877, 23263), (3787, 17673), (5891, 11361)]