213741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 359424

約数和(自身を除く): 145683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 127, 153, 187, 381, 561, 1143, 1397, 1683, 2159, 4191, 6477, 12573, 19431, 23749, 71247, 213741]

約数ペア:

[(1, 213741), (3, 71247), (9, 23749), (11, 19431), (17, 12573), (33, 6477), (51, 4191), (99, 2159), (127, 1683), (153, 1397), (187, 1143), (381, 561)]