261273

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 16

約数和(自身を含む): 380160

約数和(自身を除く): 118887

約数列:

[1, 3, 17, 47, 51, 109, 141, 327, 799, 1853, 2397, 5123, 5559, 15369, 87091, 261273]

約数ペア:

[(1, 261273), (3, 87091), (17, 15369), (47, 5559), (51, 5123), (109, 2397), (141, 1853), (327, 799)]