165540639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 245203200

約数和(自身を除く): 79662561

約数列:

[1, 3, 11, 33, 131, 149, 257, 393, 447, 771, 1441, 1639, 2827, 4323, 4917, 8481, 19519, 33667, 38293, 58557, 101001, 114879, 214709, 370337, 421223, 644127, 1111011, 1263669, 5016383, 15049149, 55180213, 165540639]

約数ペア:

[(1, 165540639), (3, 55180213), (11, 15049149), (33, 5016383), (131, 1263669), (149, 1111011), (257, 644127), (393, 421223), (447, 370337), (771, 214709), (1441, 114879), (1639, 101001), (2827, 58557), (4323, 38293), (4917, 33667), (8481, 19519)]