205437861

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{16921}}^1$

素因数の和:17017

約数の個数: 24

約数和(自身を含む): 316779840

約数和(自身を除く): 111341979

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 16921, 50763, 152289, 321499, 964497, 1201391, 2893491, 3604173, 10812519, 22826429, 68479287, 205437861]

約数ペア:

[(1, 205437861), (3, 68479287), (9, 22826429), (19, 10812519), (57, 3604173), (71, 2893491), (171, 1201391), (213, 964497), (639, 321499), (1349, 152289), (4047, 50763), (12141, 16921)]