6643821

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 9627520

約数和(自身を除く): 2983699

約数列:

[1, 3, 17, 51, 79, 97, 237, 289, 291, 867, 1343, 1649, 4029, 4947, 7663, 22831, 22989, 28033, 68493, 84099, 130271, 390813, 2214607, 6643821]

約数ペア:

[(1, 6643821), (3, 2214607), (17, 390813), (51, 130271), (79, 84099), (97, 68493), (237, 28033), (289, 22989), (291, 22831), (867, 7663), (1343, 4947), (1649, 4029)]