28066563

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2104

約数の個数: 36

約数和(自身を含む): 48704448

約数和(自身を除く): 20637885

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 2053, 4557, 6159, 13671, 14371, 18477, 43113, 63643, 100597, 129339, 190929, 301791, 445501, 572787, 905373, 1336503, 3118507, 4009509, 9355521, 28066563]

約数ペア:

[(1, 28066563), (3, 9355521), (7, 4009509), (9, 3118507), (21, 1336503), (31, 905373), (49, 572787), (63, 445501), (93, 301791), (147, 190929), (217, 129339), (279, 100597), (441, 63643), (651, 43113), (1519, 18477), (1953, 14371), (2053, 13671), (4557, 6159)]