208765521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{9613}}^1$

素因数の和:9765

約数の個数: 24

約数和(自身を含む): 319953920

約数和(自身を除く): 111188399

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 7239, 9613, 21717, 28839, 86517, 182647, 547941, 1220851, 1643823, 3662553, 10987659, 23196169, 69588507, 208765521]

約数ペア:

[(1, 208765521), (3, 69588507), (9, 23196169), (19, 10987659), (57, 3662553), (127, 1643823), (171, 1220851), (381, 547941), (1143, 182647), (2413, 86517), (7239, 28839), (9613, 21717)]