279968223

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2903}}^1$

素因数の和:3015

約数の個数: 32

約数和(自身を含む): 414830592

約数和(自身を除く): 134862369

約数列:

[1, 3, 17, 31, 51, 61, 93, 183, 527, 1037, 1581, 1891, 2903, 3111, 5673, 8709, 32147, 49351, 89993, 96441, 148053, 177083, 269979, 531249, 1529881, 3010411, 4589643, 5489573, 9031233, 16468719, 93322741, 279968223]

約数ペア:

[(1, 279968223), (3, 93322741), (17, 16468719), (31, 9031233), (51, 5489573), (61, 4589643), (93, 3010411), (183, 1529881), (527, 531249), (1037, 269979), (1581, 177083), (1891, 148053), (2903, 96441), (3111, 89993), (5673, 49351), (8709, 32147)]