216388623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2081}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 330988032

約数和(自身を除く): 114599409

約数列:

[1, 3, 11, 23, 33, 69, 137, 253, 411, 759, 1507, 2081, 3151, 4521, 6243, 9453, 22891, 34661, 47863, 68673, 103983, 143589, 285097, 526493, 855291, 1579479, 3136067, 6557231, 9408201, 19671693, 72129541, 216388623]

約数ペア:

[(1, 216388623), (3, 72129541), (11, 19671693), (23, 9408201), (33, 6557231), (69, 3136067), (137, 1579479), (253, 855291), (411, 526493), (759, 285097), (1507, 143589), (2081, 103983), (3151, 68673), (4521, 47863), (6243, 34661), (9453, 22891)]