28089963

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 45696000

約数和(自身を除く): 17606037

約数列:

[1, 3, 9, 11, 27, 33, 99, 271, 297, 349, 813, 1047, 2439, 2981, 3141, 3839, 7317, 8943, 9423, 11517, 26829, 34551, 80487, 94579, 103653, 283737, 851211, 1040369, 2553633, 3121107, 9363321, 28089963]

約数ペア:

[(1, 28089963), (3, 9363321), (9, 3121107), (11, 2553633), (27, 1040369), (33, 851211), (99, 283737), (271, 103653), (297, 94579), (349, 80487), (813, 34551), (1047, 26829), (2439, 11517), (2981, 9423), (3141, 8943), (3839, 7317)]