390717243

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{28319}}^1$

素因数の和:28408

約数の個数: 32

約数和(自身を含む): 670617600

約数和(自身を除く): 279900357

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 4599, 13797, 28319, 84957, 198233, 254871, 594699, 764613, 1784097, 2067287, 5352291, 6201861, 14471009, 18605583, 43413027, 55816749, 130239081, 390717243]

約数ペア:

[(1, 390717243), (3, 130239081), (7, 55816749), (9, 43413027), (21, 18605583), (27, 14471009), (63, 6201861), (73, 5352291), (189, 2067287), (219, 1784097), (511, 764613), (657, 594699), (1533, 254871), (1971, 198233), (4599, 84957), (13797, 28319)]