266739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 16

約数和(自身を含む): 397440

約数和(自身を除く): 130701

約数列:

[1, 3, 11, 33, 59, 137, 177, 411, 649, 1507, 1947, 4521, 8083, 24249, 88913, 266739]

約数ペア:

[(1, 266739), (3, 88913), (11, 24249), (33, 8083), (59, 4521), (137, 1947), (177, 1507), (411, 649)]