1320233943

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1\times {\mathrm{2579}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 2120140800

約数和(自身を除く): 799906857

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1283, 2579, 3849, 7737, 8981, 18053, 24377, 26943, 49001, 54159, 73131, 147003, 170639, 343007, 511917, 1029021, 3308857, 9926571, 23161999, 62868283, 69485997, 188604849, 440077981, 1320233943]

約数ペア:

[(1, 1320233943), (3, 440077981), (7, 188604849), (19, 69485997), (21, 62868283), (57, 23161999), (133, 9926571), (399, 3308857), (1283, 1029021), (2579, 511917), (3849, 343007), (7737, 170639), (8981, 147003), (18053, 73131), (24377, 54159), (26943, 49001)]