51808491

素因数分解:

$3^4\times 7^1\times {\mathrm{91373}}^1$

素因数の和:91392

約数の個数: 20

約数和(自身を含む): 88450032

約数和(自身を除く): 36641541

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 91373, 274119, 639611, 822357, 1918833, 2467071, 5756499, 7401213, 17269497, 51808491]

約数ペア:

[(1, 51808491), (3, 17269497), (7, 7401213), (9, 5756499), (21, 2467071), (27, 1918833), (63, 822357), (81, 639611), (189, 274119), (567, 91373)]