647164053

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{328343}}^1$

素因数の和:328425

約数の個数: 16

約数和(自身を含む): 971898240

約数和(自身を除く): 324734187

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 328343, 985029, 2955087, 8865261, 23969039, 71907117, 215721351, 647164053]

約数ペア:

[(1, 647164053), (3, 215721351), (9, 71907117), (27, 23969039), (73, 8865261), (219, 2955087), (657, 985029), (1971, 328343)]